Add indent lint rule, fix code

src/.eslintrc

@@ -26,6 +26,7 @@ rules:
   no-unused-vars: [2, args: none]
   quotes: [2, 'single']
   space-before-blocks: 2
+  indent: [2, 2, indentSwitchCase: true]
 
   # WARNINGS
   # This is the only one that's hard to track since we don't lint just changes.

src/browser/eventPlugins/DefaultEventPluginOrder.js

@@ -11,7 +11,7 @@
 
 'use strict';
 
- var keyOf = require('keyOf');
+var keyOf = require('keyOf');
 
 /**
  * Module that is injectable into `EventPluginHub`, that specifies a

src/browser/ui/ReactDOMIDOperations.js

@@ -132,8 +132,8 @@ var ReactDOMIDOperations = {
    * @see {Danger.dangerouslyReplaceNodeWithMarkup}
    */
   dangerouslyReplaceNodeWithMarkupByID: function(id, markup) {
-      var node = ReactMount.getNode(id);
-      DOMChildrenOperations.dangerouslyReplaceNodeWithMarkup(node, markup);
+    var node = ReactMount.getNode(id);
+    DOMChildrenOperations.dangerouslyReplaceNodeWithMarkup(node, markup);
   },
 
   /**

src/core/ReactCompositeComponent.js

@@ -202,7 +202,7 @@ var ReactCompositeComponentMixin = {
     ReactLifeCycle.currentlyMountingInstance = this;
     try {
       if (inst.componentWillMount) {
-          inst.componentWillMount();
+        inst.componentWillMount();
         // When mounting, calls to `setState` by `componentWillMount` will set
         // `this._pendingStateQueue` without triggering a re-render.
         if (this._pendingStateQueue) {