diff --git a/fixtures/tracing/index.html b/fixtures/tracing/index.html
index 07d9b2a8cc..deb285110d 100644
--- a/fixtures/tracing/index.html
+++ b/fixtures/tracing/index.html
@@ -46,7 +46,7 @@
     </p>
     <h3>
       Tests
-      <button onClick="runAllTests()">Run all tests</button>
+      <button id="run-test-button" onClick="runAllTests()">Run all tests</button>
     </h3>
     <ol>
       <li id="checkSchedulerAPI" data-value="...">
@@ -62,6 +62,17 @@
         <strong>Test end-to-end integration</strong>
       </li>
     </ol>
+
+    <script>
+      if (window.location.search.includes('puppeteer=true')) {
+        // Colocated calls to performance.now() often yield differen values in Puppeteer.
+        // This causes the Scheduler API test to fail.
+        // For the purposes of our automated release scripts,
+        // Coerce tests to use Date.now() instead to reduce the chances of a false positive.
+        window.performance = {now: Date.now};
+      }
+    </script>
+
     <!-- Load the tracing API before react to test that it's lazily evaluated -->
     <script src="../../build/node_modules/scheduler/umd/scheduler.development.js"></script>
     <script src="../../build/node_modules/scheduler/umd/scheduler-tracing.development.js"></script>
diff --git a/scripts/release/package.json b/scripts/release/package.json
index e74b01ce9f..9aa39a4ae4 100644
--- a/scripts/release/package.json
+++ b/scripts/release/package.json
@@ -17,6 +17,8 @@
     "log-update": "^2.1.0",
     "progress-estimator": "^0.2.1",
     "prompt-promise": "^1.0.3",
+    "puppeteer": "^1.11.0",
+    "pushstate-server": "^3.0.1",
     "request-promise-json": "^1.0.4",
     "semver": "^5.4.1"
   }
diff --git a/scripts/release/prepare-canary-commands/parse-params.js b/scripts/release/prepare-canary-commands/parse-params.js
index acc87b8aac..703fc0fb11 100644
--- a/scripts/release/prepare-canary-commands/parse-params.js
+++ b/scripts/release/prepare-canary-commands/parse-params.js
@@ -11,6 +11,12 @@ const paramDefinitions = [
     description:
       'Circle CI build identifier (e.g. https://circleci.com/gh/facebook/react/<build>)',
   },
+  {
+    name: 'skipTests',
+    type: Boolean,
+    description: 'Skip automated fixture tests.',
+    defaultValue: false,
+  },
 ];
 
 module.exports = () => {
diff --git a/scripts/release/prepare-canary.js b/scripts/release/prepare-canary.js
index d2524405a6..7133b5d763 100755
--- a/scripts/release/prepare-canary.js
+++ b/scripts/release/prepare-canary.js
@@ -10,6 +10,8 @@ const downloadBuildArtifacts = require('./prepare-canary-commands/download-build
 const getLatestMasterBuildNumber = require('./prepare-canary-commands/get-latest-master-build-number');
 const parseParams = require('./prepare-canary-commands/parse-params');
 const printPrereleaseSummary = require('./shared-commands/print-prerelease-summary');
+const testPackagingFixture = require('./shared-commands/test-packaging-fixture');
+const testSchedulerFixture = require('./shared-commands/test-scheduler-fixture');
 
 const run = async () => {
   try {
@@ -23,6 +25,12 @@ const run = async () => {
 
     await checkEnvironmentVariables(params);
     await downloadBuildArtifacts(params);
+
+    if (!params.skipTests) {
+      await testPackagingFixture(params);
+      await testSchedulerFixture(params);
+    }
+
     await printPrereleaseSummary(params);
   } catch (error) {
     handleError(error);
diff --git a/scripts/release/prepare-stable-commands/parse-params.js b/scripts/release/prepare-stable-commands/parse-params.js
index ef8c941105..4046d130cb 100644
--- a/scripts/release/prepare-stable-commands/parse-params.js
+++ b/scripts/release/prepare-stable-commands/parse-params.js
@@ -13,6 +13,12 @@ const paramDefinitions = [
       'Skip NPM and use the build already present in "build/node_modules".',
     defaultValue: false,
   },
+  {
+    name: 'skipTests',
+    type: Boolean,
+    description: 'Skip automated fixture tests.',
+    defaultValue: false,
+  },
   {
     name: 'version',
     type: String,
diff --git a/scripts/release/prepare-stable-commands/update-stable-version-numbers.js b/scripts/release/prepare-stable-commands/update-stable-version-numbers.js
index cdd7ee03ea..a655755283 100644
--- a/scripts/release/prepare-stable-commands/update-stable-version-numbers.js
+++ b/scripts/release/prepare-stable-commands/update-stable-version-numbers.js
@@ -170,6 +170,8 @@ const run = async ({cwd, packages, version}, versionsMap) => {
     theme`A full diff is available at {path ${relative(cwd, diffPath)}}.`
   );
   await confirm('Do the changes above look correct?');
+
+  clear();
 };
 
 // Run this directly because logPromise would interfere with printing package dependencies.
diff --git a/scripts/release/prepare-stable.js b/scripts/release/prepare-stable.js
index 733cb109e9..a651747cd6 100755
--- a/scripts/release/prepare-stable.js
+++ b/scripts/release/prepare-stable.js
@@ -10,6 +10,8 @@ const confirmStableVersionNumbers = require('./prepare-stable-commands/confirm-s
 const guessStableVersionNumbers = require('./prepare-stable-commands/guess-stable-version-numbers');
 const parseParams = require('./prepare-stable-commands/parse-params');
 const printPrereleaseSummary = require('./shared-commands/print-prerelease-summary');
+const testPackagingFixture = require('./shared-commands/test-packaging-fixture');
+const testSchedulerFixture = require('./shared-commands/test-scheduler-fixture');
 const updateStableVersionNumbers = require('./prepare-stable-commands/update-stable-version-numbers');
 
 const run = async () => {
@@ -27,6 +29,12 @@ const run = async () => {
     await guessStableVersionNumbers(params, versionsMap);
     await confirmStableVersionNumbers(params, versionsMap);
     await updateStableVersionNumbers(params, versionsMap);
+
+    if (!params.skipTests) {
+      await testPackagingFixture(params);
+      await testSchedulerFixture(params);
+    }
+
     await printPrereleaseSummary(params);
   } catch (error) {
     handleError(error);
diff --git a/scripts/release/shared-commands/print-prerelease-summary.js b/scripts/release/shared-commands/print-prerelease-summary.js
index e68d014745..d981bd28fe 100644
--- a/scripts/release/shared-commands/print-prerelease-summary.js
+++ b/scripts/release/shared-commands/print-prerelease-summary.js
@@ -22,14 +22,7 @@ module.exports = ({cwd}) => {
 
     {header Before publishing, please smoke test the packages!}
 
-    1. Open {path ./fixtures/packaging/babel-standalone/dev.html} in the browser.
-    2. It should say {quote "Hello world!"}
-    3. Next go to {path ./fixtures/packaging} and run {command node build-all.js}
-    4. Go to the repo root and {command npx pushstate-server . 9000}
-    5. Open {link http://localhost:9000/fixtures/packaging}
-    6. Verify every iframe shows {quote "Hello world!"}
-
-    After completing the above steps, you can publish this release by running:
+    Once you have finished smoke testing, you can publish this release by running:
     {path   ${publishPath}}
   `
       .replace(/\n +/g, '\n')
diff --git a/scripts/release/shared-commands/test-packaging-fixture.js b/scripts/release/shared-commands/test-packaging-fixture.js
new file mode 100644
index 0000000000..5bfc5cd9c6
--- /dev/null
+++ b/scripts/release/shared-commands/test-packaging-fixture.js
@@ -0,0 +1,74 @@
+#!/usr/bin/env node
+
+'use strict';
+
+const {exec} = require('child-process-promise');
+const {join} = require('path');
+const puppeteer = require('puppeteer');
+const server = require('pushstate-server');
+const theme = require('../theme');
+const {logPromise} = require('../utils');
+
+const validate = async () => {
+  const browser = await puppeteer.launch();
+  const page = await browser.newPage();
+
+  await page.goto('http://localhost:9000/fixtures/packaging');
+
+  try {
+    return await page.evaluate(() => {
+      const iframes = document.querySelectorAll('iframe');
+
+      if (iframes.length === 0) {
+        return 'No iframes were found.';
+      }
+
+      for (let i = 0; i < iframes.length; i++) {
+        const iframe = iframes[i];
+        // Don't include the <script> Babel tag
+        const container = iframe.contentDocument.body.getElementsByTagName(
+          'div'
+        )[0];
+        if (container.textContent !== 'Hello World!') {
+          return `Unexpected fixture content, "${container.textContent}"`;
+        }
+      }
+
+      return null;
+    });
+  } finally {
+    await browser.close();
+  }
+};
+
+const run = async ({cwd}) => {
+  await logPromise(
+    exec('node build-all.js', {cwd: join(cwd, 'fixtures/packaging')}),
+    'Generating "packaging" fixture',
+    20000 // This takes roughly 20 seconds
+  );
+
+  let errorMessage;
+  let response;
+
+  try {
+    response = server.start({
+      port: 9000,
+      directory: cwd,
+    });
+
+    errorMessage = await logPromise(
+      validate(),
+      'Verifying "packaging" fixture'
+    );
+  } finally {
+    response.close();
+  }
+
+  if (errorMessage) {
+    console.error(theme.error(errorMessage));
+    process.exit(1);
+  }
+};
+
+module.exports = run;
diff --git a/scripts/release/shared-commands/test-scheduler-fixture.js b/scripts/release/shared-commands/test-scheduler-fixture.js
new file mode 100644
index 0000000000..86ab94a5ee
--- /dev/null
+++ b/scripts/release/shared-commands/test-scheduler-fixture.js
@@ -0,0 +1,54 @@
+#!/usr/bin/env node
+
+'use strict';
+
+const {join} = require('path');
+const puppeteer = require('puppeteer');
+const theme = require('../theme');
+const {logPromise} = require('../utils');
+
+const validate = async ({cwd}) => {
+  const browser = await puppeteer.launch();
+  const page = await browser.newPage();
+
+  await page.goto(
+    'file://' + join(cwd, 'fixtures/tracing/index.html?puppeteer=true')
+  );
+
+  try {
+    return await page.evaluate(() => {
+      const button = document.getElementById('run-test-button');
+      button.click();
+
+      const items = document.querySelectorAll('[data-value]');
+
+      if (items.length === 0) {
+        return 'No results were found.';
+      }
+
+      for (let i = 0; i < items.length; i++) {
+        const item = items[i];
+        if (item.getAttribute('data-value') !== 'All checks pass') {
+          return `Unexpected result, "${item.getAttribute('data-value')}"`;
+        }
+      }
+
+      return null;
+    });
+  } finally {
+    await browser.close();
+  }
+};
+
+const run = async ({cwd}) => {
+  const errorMessage = await logPromise(
+    validate({cwd}),
+    'Verifying "scheduler" fixture'
+  );
+  if (errorMessage) {
+    console.error(theme.error(errorMessage));
+    process.exit(1);
+  }
+};
+
+module.exports = run;
diff --git a/scripts/release/test.js b/scripts/release/snapshot-test.js
similarity index 85%
rename from scripts/release/test.js
rename to scripts/release/snapshot-test.js
index 86b6bbe368..fd56727bcf 100755
--- a/scripts/release/test.js
+++ b/scripts/release/snapshot-test.js
@@ -61,19 +61,25 @@ const run = async () => {
     await promise;
 
     const beforeContents = readFileSync(
-      join(cwd, 'scripts/release/test.snapshot'),
+      join(cwd, 'scripts/release/snapshot-test.snapshot'),
       'utf-8'
     );
-    await exec('cp build/temp.diff scripts/release/test.snapshot', {cwd});
+    await exec('cp build/temp.diff scripts/release/snapshot-test.snapshot', {
+      cwd,
+    });
     const afterContents = readFileSync(
-      join(cwd, 'scripts/release/test.snapshot'),
+      join(cwd, 'scripts/release/snapshot-test.snapshot'),
       'utf-8'
     );
 
     if (beforeContents === afterContents) {
       console.log(theme.header`Snapshot test passed.`);
     } else {
-      printDiff('scripts/release/test.snapshot', beforeContents, afterContents);
+      printDiff(
+        'scripts/release/snapshot-test.snapshot',
+        beforeContents,
+        afterContents
+      );
       console.log();
       console.error(theme.error('Snapshot test failed!'));
       console.log();
@@ -81,7 +87,7 @@ const run = async () => {
         'If this failure was expected, please update the contents of the snapshot file:'
       );
       console.log(
-        theme`  {command git add} {path scripts/release/test.snapshot}`
+        theme`  {command git add} {path scripts/release/snapshot-test.snapshot}`
       );
       console.log(
         theme`  {command git commit -m "Updating release script snapshot file."}`
diff --git a/scripts/release/test.snapshot b/scripts/release/snapshot-test.snapshot
similarity index 100%
rename from scripts/release/test.snapshot
rename to scripts/release/snapshot-test.snapshot
diff --git a/scripts/release/yarn.lock b/scripts/release/yarn.lock
index 8c9941c7c9..57bca2e3bf 100644
--- a/scripts/release/yarn.lock
+++ b/scripts/release/yarn.lock
@@ -2,6 +2,21 @@
 # yarn lockfile v1
 
 
+accepts@^1.2.5, accepts@~1.3.3:
+  version "1.3.5"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.5.tgz#eb777df6011723a3b14e8a72c0805c8e86746bd2"
+  integrity sha1-63d99gEXI6OxTopywIBcjoZ0a9I=
+  dependencies:
+    mime-types "~2.1.18"
+    negotiator "0.6.1"
+
+agent-base@^4.1.0:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.2.1.tgz#d89e5999f797875674c07d87f260fc41e83e8ca9"
+  integrity sha512-JVwXMr9nHYTUXsBFKUqhJwvlcYU/blreOEUkhNR2eXZIvwd+c+o5V4MgDPKWnMS/56awN3TRzIP+KoPn+roQtg==
+  dependencies:
+    es6-promisify "^5.0.0"
+
 ajv@^5.1.0:
   version "5.2.3"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.2.3.tgz#c06f598778c44c6b161abafe3466b81ad1814ed2"
@@ -63,6 +78,11 @@ assert-plus@1.0.0, assert-plus@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-1.0.0.tgz#f12e0f3c5d77b0b1cdd9146942e4e96c1e4dd525"
 
+async-limiter@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
+  integrity sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==
+
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -106,6 +126,16 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
+buffer-from@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
+  integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
+
+bytes@2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-2.5.0.tgz#4c9423ea2d252c270c41b2bdefeff9bb6b62c06a"
+  integrity sha1-TJQj6i0lLCcMQbK97+/5u2tiwGo=
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -192,12 +222,61 @@ command-line-usage@^4.0.1:
     table-layout "^0.4.1"
     typical "^2.6.1"
 
+compressible@~2.0.10:
+  version "2.0.15"
+  resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.15.tgz#857a9ab0a7e5a07d8d837ed43fe2defff64fe212"
+  integrity sha512-4aE67DL33dSW9gw4CI2H/yTxqHLNcxp0yS6jB+4h+wr3e43+1z7vm0HU9qXOH8j+qjKuL8+UtkOxYQSMq60Ylw==
+  dependencies:
+    mime-db ">= 1.36.0 < 2"
+
+compression@1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/compression/-/compression-1.7.0.tgz#030c9f198f1643a057d776a738e922da4373012d"
+  integrity sha1-AwyfGY8WQ6BX13anOOki2kNzAS0=
+  dependencies:
+    accepts "~1.3.3"
+    bytes "2.5.0"
+    compressible "~2.0.10"
+    debug "2.6.8"
+    on-headers "~1.0.1"
+    safe-buffer "5.1.1"
+    vary "~1.1.1"
+
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
   integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
 
-core-util-is@1.0.2:
+concat-stream@1.6.2:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
+  integrity sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==
+  dependencies:
+    buffer-from "^1.0.0"
+    inherits "^2.0.3"
+    readable-stream "^2.2.2"
+    typedarray "^0.0.6"
+
+connect-static-file@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/connect-static-file/-/connect-static-file-1.2.0.tgz#ad7c2ce423acf0808b15a18ad3268035098e3747"
+  integrity sha1-rXws5COs8ICLFaGK0yaANQmON0c=
+  dependencies:
+    accepts "^1.2.5"
+    mime "^1.3.4"
+    send "^0.15.3"
+
+connect@3.6.2:
+  version "3.6.2"
+  resolved "https://registry.yarnpkg.com/connect/-/connect-3.6.2.tgz#694e8d20681bfe490282c8ab886be98f09f42fe7"
+  integrity sha1-aU6NIGgb/kkCgsiriGvpjwn0L+c=
+  dependencies:
+    debug "2.6.7"
+    finalhandler "1.0.3"
+    parseurl "~1.3.1"
+    utils-merge "1.0.0"
+
+core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
@@ -220,6 +299,27 @@ dashdash@^1.12.0:
   dependencies:
     assert-plus "^1.0.0"
 
+debug@2.6.7:
+  version "2.6.7"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.7.tgz#92bad1f6d05bbb6bba22cca88bcd0ec894c2861e"
+  integrity sha1-krrR9tBbu2u6Isyoi80OyJTChh4=
+  dependencies:
+    ms "2.0.0"
+
+debug@2.6.8:
+  version "2.6.8"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
+  integrity sha1-5zFTHKLt4n0YgiJCfaF4IdaP9Pw=
+  dependencies:
+    ms "2.0.0"
+
+debug@2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+  dependencies:
+    ms "2.0.0"
+
 debug@^3.1.0:
   version "3.2.6"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
@@ -227,6 +327,13 @@ debug@^3.1.0:
   dependencies:
     ms "^2.1.1"
 
+debug@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.0.tgz#373687bffa678b38b1cd91f861b63850035ddc87"
+  integrity sha512-heNPJUJIqC+xB6ayLAMHaIrmN9HKa7aQO8MGqKpvCA+uJYVcvR6l5kgdrhRuwPFHU7P5/A1w0BjByPHwpfTDKg==
+  dependencies:
+    ms "^2.1.1"
+
 deep-extend@~0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.5.0.tgz#6ef4a09b05f98b0e358d6d93d4ca3caec6672803"
@@ -235,6 +342,16 @@ delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
 
+depd@~1.1.0, depd@~1.1.1, depd@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+  integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
+
+destroy@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
+  integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
+
 diff@^3.5.0:
   version "3.5.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
@@ -246,14 +363,56 @@ ecc-jsbn@~0.1.1:
   dependencies:
     jsbn "~0.1.0"
 
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+  integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
+
+encodeurl@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
+  integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
+
+es6-promise@^4.0.3:
+  version "4.2.5"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.5.tgz#da6d0d5692efb461e082c14817fe2427d8f5d054"
+  integrity sha512-n6wvpdE43VFtJq+lUDYDBFUwV8TZbuGXLV4D6wKafg13ldznKsyEvatubnmUe31zcvelSzOHF+XbaT+Bl9ObDg==
+
+es6-promisify@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
+  integrity sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=
+  dependencies:
+    es6-promise "^4.0.3"
+
+escape-html@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+  integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
+
 escape-string-regexp@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
 
+etag@~1.8.0, etag@~1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
+  integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
+
 extend@~3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
 
+extract-zip@^1.6.6:
+  version "1.6.7"
+  resolved "https://registry.yarnpkg.com/extract-zip/-/extract-zip-1.6.7.tgz#a840b4b8af6403264c8db57f4f1a74333ef81fe9"
+  integrity sha1-qEC0uK9kAyZMjbV/Txp0Mz74H+k=
+  dependencies:
+    concat-stream "1.6.2"
+    debug "2.6.9"
+    mkdirp "0.5.1"
+    yauzl "2.4.1"
+
 extsprintf@1.3.0, extsprintf@^1.2.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
@@ -262,6 +421,26 @@ fast-deep-equal@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz#96256a3bc975595eb36d82e9929d060d893439ff"
 
+fd-slicer@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.0.1.tgz#8b5bcbd9ec327c5041bf9ab023fd6750f1177e65"
+  integrity sha1-i1vL2ewyfFBBv5qwI/1nUPEXfmU=
+  dependencies:
+    pend "~1.2.0"
+
+finalhandler@1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.0.3.tgz#ef47e77950e999780e86022a560e3217e0d0cc89"
+  integrity sha1-70fneVDpmXgOhgIqVg4yF+DQzIk=
+  dependencies:
+    debug "2.6.7"
+    encodeurl "~1.0.1"
+    escape-html "~1.0.3"
+    on-finished "~2.3.0"
+    parseurl "~1.3.1"
+    statuses "~1.3.1"
+    unpipe "~1.0.0"
+
 find-replace@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/find-replace/-/find-replace-1.0.3.tgz#b88e7364d2d9c959559f388c66670d6130441fa0"
@@ -290,6 +469,16 @@ form-data@~2.3.1:
     combined-stream "^1.0.5"
     mime-types "^2.1.12"
 
+fresh@0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.0.tgz#f474ca5e6a9246d6fd8e0953cfa9b9c805afa78e"
+  integrity sha1-9HTKXmqSRtb9jglTz6m5yAWvp44=
+
+fresh@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
+  integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
+
 fs-extra@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.2.tgz#f91704c53d1b461f893452b0c307d9997647ab6b"
@@ -298,12 +487,29 @@ fs-extra@^4.0.2:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+  integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
+
 getpass@^0.1.1:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
   dependencies:
     assert-plus "^1.0.0"
 
+glob@^7.0.5:
+  version "7.1.3"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.3.tgz#3960832d3f1574108342dafd3a67b332c0969df1"
+  integrity sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
 graceful-fs@^4.1.2, graceful-fs@^4.1.6:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
@@ -346,6 +552,16 @@ hoek@4.x.x:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/hoek/-/hoek-4.2.0.tgz#72d9d0754f7fe25ca2d01ad8f8f9a9449a89526d"
 
+http-errors@~1.6.1, http-errors@~1.6.2:
+  version "1.6.3"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
+  integrity sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=
+  dependencies:
+    depd "~1.1.2"
+    inherits "2.0.3"
+    setprototypeof "1.1.0"
+    statuses ">= 1.4.0 < 2"
+
 http-signature@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.2.0.tgz#9aecd925114772f3d95b65a60abb8f7c18fbace1"
@@ -354,11 +570,32 @@ http-signature@~1.2.0:
     jsprim "^1.2.2"
     sshpk "^1.7.0"
 
+https-proxy-agent@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-2.2.1.tgz#51552970fa04d723e04c56d04178c3f92592bbc0"
+  integrity sha512-HPCTS1LW51bcyMYbxUIOO4HEOlQ1/1qRaFWcyxvwaqUS9TY88aoEuHUY33kuAh1YhVVaDQhLZsnPd+XNARWZlQ==
+  dependencies:
+    agent-base "^4.1.0"
+    debug "^3.1.0"
+
 humanize-duration@^3.15.3:
   version "3.15.3"
   resolved "https://registry.yarnpkg.com/humanize-duration/-/humanize-duration-3.15.3.tgz#600a939bd9d9a16b696e907b3fc08d1a4f15e8c9"
   integrity sha512-BMz6w8p3NVa6QP9wDtqUkXfwgBqDaZ5z/np0EYdoWrLqL849Onp6JWMXMhbHtuvO9jUThLN5H1ThRQ8dUWnYkA==
 
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  integrity sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2, inherits@2.0.3, inherits@^2.0.3, inherits@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+
 is-fullwidth-code-point@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
@@ -367,6 +604,11 @@ is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
 
+isarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+  integrity sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
+
 isexe@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
@@ -448,6 +690,11 @@ lru-cache@^4.0.1:
     pseudomap "^1.0.2"
     yallist "^2.1.2"
 
+"mime-db@>= 1.36.0 < 2", mime-db@~1.37.0:
+  version "1.37.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.37.0.tgz#0b6a0ce6fdbe9576e25f1f2d2fde8830dc0ad0d8"
+  integrity sha512-R3C4db6bgQhlIhPU48fUtdVmKnflq+hRdad7IyKhtFj06VPNVdk2RhiYL3UjQIlso8L+YxAtFkobT0VK+S/ybg==
+
 mime-db@~1.30.0:
   version "1.30.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.30.0.tgz#74c643da2dd9d6a45399963465b26d5ca7d71f01"
@@ -458,17 +705,56 @@ mime-types@^2.1.12, mime-types@~2.1.17:
   dependencies:
     mime-db "~1.30.0"
 
+mime-types@~2.1.18:
+  version "2.1.21"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.21.tgz#28995aa1ecb770742fe6ae7e58f9181c744b3f96"
+  integrity sha512-3iL6DbwpyLzjR3xHSFNFeb9Nz/M8WDkX33t1GFQnFOllWk8pOrh/LSrB5OXlnlW5P9LH73X6loW/eogc+F5lJg==
+  dependencies:
+    mime-db "~1.37.0"
+
+mime@1.3.4:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.3.4.tgz#115f9e3b6b3daf2959983cb38f149a2d40eb5d53"
+  integrity sha1-EV+eO2s9rylZmDyzjxSaLUDrXVM=
+
+mime@^1.3.4:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
+  integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
+
+mime@^2.0.3:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-2.4.0.tgz#e051fd881358585f3279df333fe694da0bcffdd6"
+  integrity sha512-ikBcWwyqXQSHKtciCcctu9YfPbFYZ4+gbHEmE0Q8jzcTYQg5dHCr3g2wwAZjPoJfQVXZq6KXAjpXOTf5/cjT7w==
+
 mimic-fn@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.1.0.tgz#e667783d92e89dbd342818b5230b9d62a672ad18"
 
-minimatch@~3.0.4:
+minimatch@^3.0.4, minimatch@~3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
   dependencies:
     brace-expansion "^1.1.7"
 
+minimist@0.0.8:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
+
+mkdirp@0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
+  dependencies:
+    minimist "0.0.8"
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
+
 ms@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
@@ -484,6 +770,11 @@ native-or-bluebird@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/native-or-bluebird/-/native-or-bluebird-1.2.0.tgz#39c47bfd7825d1fb9ffad32210ae25daadf101c9"
 
+negotiator@0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
+  integrity sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk=
+
 node-version@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/node-version/-/node-version-1.1.0.tgz#f437d7ba407e65e2c4eaef8887b1718ba523d4f0"
@@ -492,16 +783,55 @@ oauth-sign@~0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
+on-finished@~2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  integrity sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
+  dependencies:
+    ee-first "1.1.1"
+
+on-headers@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.1.tgz#928f5d0f470d49342651ea6794b0857c100693f7"
+  integrity sha1-ko9dD0cNSTQmUepnlLCFfBAGk/c=
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
+  dependencies:
+    wrappy "1"
+
 onetime@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/onetime/-/onetime-2.0.1.tgz#067428230fd67443b2794b22bba528b6867962d4"
   dependencies:
     mimic-fn "^1.0.0"
 
+parseurl@~1.3.1:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
+  integrity sha1-/CidTtiZMRlGDBViUyYs3I3mW/M=
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+  integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
+
+pend@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
+  integrity sha1-elfrVQpng/kRUzH89GY9XI4AelA=
+
 performance-now@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
 
+process-nextick-args@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
+  integrity sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==
+
 progress-estimator@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/progress-estimator/-/progress-estimator-0.2.1.tgz#deae08447fd858a0bf6a1067c4fbac1b4dad3cb0"
@@ -512,6 +842,11 @@ progress-estimator@^0.2.1:
     humanize-duration "^3.15.3"
     log-update "^2.3.0"
 
+progress@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.1.tgz#c9242169342b1c29d275889c95734621b1952e31"
+  integrity sha512-OE+a6vzqazc+K6LxJrX5UPyKFvGnL5CYmq2jFGNIBWHpc4QyE49/YOumcrpQFJpfejmvRtbJzgO1zPmMCqlbBg==
+
 promise-polyfill@^6.0.1:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/promise-polyfill/-/promise-polyfill-6.0.2.tgz#d9c86d3dc4dc2df9016e88946defd69b49b41162"
@@ -523,6 +858,11 @@ prompt-promise@^1.0.3:
     keypress "~0.2.1"
     native-or-another "~2.0.0"
 
+proxy-from-env@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/proxy-from-env/-/proxy-from-env-1.0.0.tgz#33c50398f70ea7eb96d21f7b817630a55791c7ee"
+  integrity sha1-M8UDmPcOp+uW0h97gXYwpVeRx+4=
+
 pseudomap@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
@@ -531,6 +871,30 @@ punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
+puppeteer@^1.11.0:
+  version "1.11.0"
+  resolved "https://registry.yarnpkg.com/puppeteer/-/puppeteer-1.11.0.tgz#63cdbe12b07275cd6e0b94bce41f3fcb20305770"
+  integrity sha512-iG4iMOHixc2EpzqRV+pv7o3GgmU2dNYEMkvKwSaQO/vMZURakwSOn/EYJ6OIRFYOque1qorzIBvrytPIQB3YzQ==
+  dependencies:
+    debug "^4.1.0"
+    extract-zip "^1.6.6"
+    https-proxy-agent "^2.2.1"
+    mime "^2.0.3"
+    progress "^2.0.1"
+    proxy-from-env "^1.0.0"
+    rimraf "^2.6.1"
+    ws "^6.1.0"
+
+pushstate-server@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/pushstate-server/-/pushstate-server-3.0.1.tgz#b108b867c9c069192e2fe5b47efdf6c76de7d6ad"
+  integrity sha1-sQi4Z8nAaRkuL+W0fv32x23n1q0=
+  dependencies:
+    compression "1.7.0"
+    connect "3.6.2"
+    connect-static-file "1.2.0"
+    serve-static "1.12.3"
+
 q@^1.1.2:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/q/-/q-1.5.0.tgz#dd01bac9d06d30e6f219aecb8253ee9ebdc308f1"
@@ -539,6 +903,24 @@ qs@~6.5.1:
   version "6.5.1"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
 
+range-parser@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
+  integrity sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4=
+
+readable-stream@^2.2.2:
+  version "2.3.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
+
 reduce-flatten@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/reduce-flatten/-/reduce-flatten-1.0.1.tgz#258c78efd153ddf93cb561237f61184f3696e327"
@@ -584,14 +966,79 @@ restore-cursor@^2.0.0:
     onetime "^2.0.0"
     signal-exit "^3.0.2"
 
-safe-buffer@^5.0.1, safe-buffer@^5.1.1:
+rimraf@^2.6.1:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
+  integrity sha512-lreewLK/BlghmxtfH36YYVg1i8IAce4TI7oao75I1g245+6BctqTVQiBP3YUJ9C6DQOXJmkYR9X9fCLtCOJc5w==
+  dependencies:
+    glob "^7.0.5"
+
+safe-buffer@5.1.1, safe-buffer@^5.0.1, safe-buffer@^5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
 semver@^5.4.1:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
 
+send@0.15.3:
+  version "0.15.3"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.15.3.tgz#5013f9f99023df50d1bd9892c19e3defd1d53309"
+  integrity sha1-UBP5+ZAj31DRvZiSwZ4979HVMwk=
+  dependencies:
+    debug "2.6.7"
+    depd "~1.1.0"
+    destroy "~1.0.4"
+    encodeurl "~1.0.1"
+    escape-html "~1.0.3"
+    etag "~1.8.0"
+    fresh "0.5.0"
+    http-errors "~1.6.1"
+    mime "1.3.4"
+    ms "2.0.0"
+    on-finished "~2.3.0"
+    range-parser "~1.2.0"
+    statuses "~1.3.1"
+
+send@^0.15.3:
+  version "0.15.6"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.15.6.tgz#20f23a9c925b762ab82705fe2f9db252ace47e34"
+  integrity sha1-IPI6nJJbdiq4JwX+L52yUqzkfjQ=
+  dependencies:
+    debug "2.6.9"
+    depd "~1.1.1"
+    destroy "~1.0.4"
+    encodeurl "~1.0.1"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    fresh "0.5.2"
+    http-errors "~1.6.2"
+    mime "1.3.4"
+    ms "2.0.0"
+    on-finished "~2.3.0"
+    range-parser "~1.2.0"
+    statuses "~1.3.1"
+
+serve-static@1.12.3:
+  version "1.12.3"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.12.3.tgz#9f4ba19e2f3030c547f8af99107838ec38d5b1e2"
+  integrity sha1-n0uhni8wMMVH+K+ZEHg47DjVseI=
+  dependencies:
+    encodeurl "~1.0.1"
+    escape-html "~1.0.3"
+    parseurl "~1.3.1"
+    send "0.15.3"
+
+setprototypeof@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.0.tgz#d0bd85536887b6fe7c0d818cb962d9d91c54e656"
+  integrity sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==
+
 signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
@@ -616,6 +1063,16 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
+"statuses@>= 1.4.0 < 2":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
+  integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
+
+statuses@~1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
+  integrity sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4=
+
 string-width@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
@@ -623,6 +1080,13 @@ string-width@^2.1.1:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  integrity sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==
+  dependencies:
+    safe-buffer "~5.1.0"
+
 stringstream@~0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
@@ -679,6 +1143,11 @@ tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   version "0.14.5"
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
 
+typedarray@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
+  integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
+
 typical@^2.6.0, typical@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/typical/-/typical-2.6.1.tgz#5c080e5d661cbbe38259d2e70a3c7253e873881d"
@@ -687,10 +1156,30 @@ universalify@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.1.tgz#fa71badd4437af4c148841e3b3b165f9e9e590b7"
 
+unpipe@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
+  integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
+
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+  integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
+
+utils-merge@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.0.tgz#0294fb922bb9375153541c4f7096231f287c8af8"
+  integrity sha1-ApT7kiu5N1FTVBxPcJYjHyh8ivg=
+
 uuid@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"
 
+vary@~1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+  integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
+
 verror@1.10.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz#3a105ca17053af55d6e270c1f8288682e18da400"
@@ -719,6 +1208,25 @@ wrap-ansi@^3.0.1:
     string-width "^2.1.1"
     strip-ansi "^4.0.0"
 
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
+
+ws@^6.1.0:
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-6.1.2.tgz#3cc7462e98792f0ac679424148903ded3b9c3ad8"
+  integrity sha512-rfUqzvz0WxmSXtJpPMX2EeASXabOrSMk1ruMOV3JBTBjo4ac2lDjGGsbQSyxj8Odhw5fBib8ZKEjDNvgouNKYw==
+  dependencies:
+    async-limiter "~1.0.0"
+
 yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
+
+yauzl@2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.4.1.tgz#9528f442dab1b2284e58b4379bb194e22e0c4005"
+  integrity sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=
+  dependencies:
+    fd-slicer "~1.0.1"