added support for pygments.rb removing dependency on pygments, added support for caching highlighted code from pygments.rb and added default line numbering. Javascript auto line numbering now only occurs for embedded gists

plugins/include_code.rb

@@ -20,11 +20,13 @@
 # will output a figcaption with the title: Example 2 (test.js)
 #
 
+require './plugins/pygments_code'
 require 'pathname'
 
 module Jekyll
 
   class IncludeCodeTag < Liquid::Tag
+    include HighlightCode
     def initialize(tag_name, markup, tokens)
       @title = nil
       @file = nil
@@ -50,13 +52,13 @@ module Jekyll
 
       Dir.chdir(code_path) do
         code = file.read
-        @filetype = file.extname
+        @filetype = file.extname.sub('.','')
         @filetype = 'objc' if @filetype == 'm'
         @filetype = 'perl' if @filetype == 'pl'
         title = @title ? "#{@title} (#{file.basename})" : file.basename
         url = "#{context.registers[:site].config['url']}/#{code_dir}/#{@file}"
         source = "<div><figure role=code><figcaption><span>#{title}</span> <a href='#{url}'>download</a></figcaption>\n"
-        source += "{% highlight #{@filetype} %}\n" + code + "\n{% endhighlight %}</figure></div>"
+        source += " #{highlight(code, @filetype)}</figure></div>"
         partial = Liquid::Template.parse(source)
         context.stack do
           partial.render(context)