Update jekyll to 1.3

docs/Gemfile

@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 gem 'rake'
 
 # jekyll, which builds it all
-gem 'jekyll', '~>1.0'
+gem 'jekyll', '~>1.3.0'
 
 # JSON
 gem 'json'

docs/Gemfile.lock

@@ -4,40 +4,47 @@ GEM
     classifier (1.3.3)
       fast-stemmer (>= 1.0.0)
     colorator (0.1)
-    commander (4.1.3)
+    commander (4.1.5)
       highline (~> 1.6.11)
-    directory_watcher (1.4.1)
     fast-stemmer (1.0.2)
-    highline (1.6.19)
-    jekyll (1.0.2)
+    ffi (1.9.3)
+    highline (1.6.20)
+    jekyll (1.3.0)
       classifier (~> 1.3)
       colorator (~> 0.1)
       commander (~> 4.1.3)
-      directory_watcher (~> 1.4.1)
-      kramdown (~> 1.0.2)
-      liquid (~> 2.3)
-      maruku (~> 0.5)
+      liquid (~> 2.5.2)
+      listen (~> 1.3)
+      maruku (~> 0.6.0)
       pygments.rb (~> 0.5.0)
-      safe_yaml (~> 0.7.0)
-    json (1.8.0)
-    kramdown (1.0.2)
-    liquid (2.5.0)
+      redcarpet (~> 2.3.0)
+      safe_yaml (~> 0.9.7)
+    json (1.8.1)
+    liquid (2.5.4)
+    listen (1.3.1)
+      rb-fsevent (>= 0.9.3)
+      rb-inotify (>= 0.9)
+      rb-kqueue (>= 0.2)
     maruku (0.6.1)
       syntax (>= 1.0.0)
-    mini_portile (0.5.1)
+    mini_portile (0.5.2)
     nokogiri (1.6.0)
       mini_portile (~> 0.5.0)
     posix-spawn (0.3.6)
-    pygments.rb (0.5.0)
+    pygments.rb (0.5.4)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.1.0)
-    rake (10.0.4)
+    rake (10.1.0)
     rb-fsevent (0.9.3)
-    redcarpet (2.2.2)
-    safe_yaml (0.7.1)
+    rb-inotify (0.9.2)
+      ffi (>= 0.5.0)
+    rb-kqueue (0.2.0)
+      ffi (>= 0.5.0)
+    redcarpet (2.3.0)
+    safe_yaml (0.9.7)
     sanitize (2.0.6)
       nokogiri (>= 1.4.4)
-    sass (3.2.9)
+    sass (3.2.12)
     syntax (1.0.0)
     yajl-ruby (1.1.0)
 
@@ -45,7 +52,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  jekyll (~> 1.0)
+  jekyll (~> 1.3.0)
   json
   rake
   rb-fsevent