Added code highlighting support in wiki, using this syntax:

<pre><code> <-- cut here

  <pre><code class="ruby">
    Place you code here.
  </code></pre>  

cut here --> </pre></code>

git-svn-id: http://redmine.rubyforge.org/svn/trunk@710 e93f8b46-1217-0410-a6f0-8f06a7374b81

public/stylesheets/scm.css

@@ -29,7 +29,7 @@ table.list thead th.list-filename {
 
 /************* Coderay styles *************/
 
-.CodeRay {
+table.CodeRay {
   background-color: #fafafa;
 }
 .CodeRay pre { margin: 0px }