wiki-syntax: Use markup instead of textile.

app/helpers/pages_helper.rb

@@ -1,7 +1,7 @@
 module PagesHelper
 
   def wikified_body(body)
-    r = RedCloth.new(body)
+    r = BlueCloth.new(body)
     r.gsub!(/\[\[(.*?)(\|(.*?))?\]\]/) { wiki_link($1, $3) }
     sanitize r.to_html
     r.to_html

config/environment.rb

@@ -68,7 +68,7 @@ Rails::Initializer.run do |config|
   config.gem "fastercsv"
   config.gem "prawn"
   config.gem "haml", :version => '>=2.0.6'
-  config.gem 'RedCloth'
+  config.gem 'BlueCloth', :lib => 'bluecloth'
 
   # The internationalization framework can be changed to have another default locale (standard is :en) or more load paths.
   # All files from config/locales/*.rb,yml are added automatically.