highlighter: pygments -> rouge (re change in GitHub Pages)

_config.yml

@@ -1,11 +1,11 @@
-# This is the default format. 
+# This is the default format.
 # For more see: https://github.com/mojombo/jekyll/wiki/Permalinks
-permalink: /:categories/:year/:month/:day/:title 
+permalink: /:categories/:year/:month/:day/:title
 
 exclude: [".rvmrc", ".rbenv-version", "ReadMe.md", "Rakefile", "changelog.md", "License.md"]
-highlighter: pygments
+highlighter: rouge
 
-# Themes are encouraged to use these universal variables 
+# Themes are encouraged to use these universal variables
 # so be sure to set them if your theme uses them.
 #
 title : simple site
@@ -32,11 +32,11 @@ JB :
   # however this value will be dynamically changed depending on your deployment situation.
   #
   # CNAME (http://yourcustomdomain.com)
-  #   DO NOT SET BASE_PATH 
+  #   DO NOT SET BASE_PATH
   #   (urls will be prefixed with "/" and work relatively)
   #
   # GitHub Pages (http://username.github.io)
-  #   DO NOT SET BASE_PATH 
+  #   DO NOT SET BASE_PATH
   #   (urls will be prefixed with "/" and work relatively)
   #
   # GitHub Project Pages (http://username.github.io/project-name)
@@ -55,7 +55,7 @@ JB :
   # ex: [BASE_PATH]/assets/themes/[THEME-NAME]
   #
   # Override this by defining an absolute path to assets here.
-  # ex: 
+  # ex:
   #   http://s3.amazonaws.com/yoursite/themes/watermelon
   #   /assets
   #
@@ -76,30 +76,29 @@ JB :
   #
   comments :
     provider : false
-   
+
   # Settings for analytics helper
   # Set 'provider' to the analytics provider you want to use.
   # Set 'provider' to false to turn analytics off globally.
-  #        
+  #
   analytics :
     provider : false
 
-  # Settings for sharing helper. 
+  # Settings for sharing helper.
   # Sharing is for things like tweet, plusone, like, reddit buttons etc.
   # Set 'provider' to the sharing provider you want to use.
   # Set 'provider' to false to turn sharing off globally.
   #
   sharing :
     provider : false
-    
-  # Settings for all other include helpers can be defined by creating 
+
+  # Settings for all other include helpers can be defined by creating
   # a hash with key named for the given helper. ex:
   #
   #   pages_list :
-  #     provider : "custom"   
+  #     provider : "custom"
   #
   # Setting any helper's provider to 'custom' will bypass the helper code
   # and include your custom code. Your custom file must be defined at:
   #   ./_includes/custom/[HELPER]
   # where [HELPER] is the name of the helper you are overriding.
-