Add one missing code formatting stylesheet

Author: robingarner-scu

docs/unity/unity-html-screen.tmpl

@@ -22,6 +22,7 @@
         href="http://media.codehaus.org/styles/unity-code.css"/>
   <link rel="stylesheet" type="text/css" media="print" href="/stylesheets/print.css"/>
   <link type="text/css" rel="stylesheet" href="http://docs.codehaus.org/s/en_GB/3278/15/2.0.11/_/download/batch/com.atlassian.confluence.ext.newcode-macro-plugin:syntaxhighlighter/com.atlassian.confluence.ext.newcode-macro-plugin:syntaxhighlighter.css" media="all">
+<link type="text/css" rel="stylesheet" href="http://docs.codehaus.org/s/en_GB/3278/15/2.0.11/_/download/batch/com.atlassian.confluence.ext.newcode-macro-plugin:sh-theme-confluence/com.atlassian.confluence.ext.newcode-macro-plugin:sh-theme-confluence.css" media="all">
 <meta id="confluence-context-path" name="confluence-context-path" content="">
 <meta id="confluence-base-url" name="confluence-base-url" content="http://docs.codehaus.org">