Integrate Twilight theme

Author: marijnh

demo/theme.html

@@ -18,6 +18,7 @@
     <link rel="stylesheet" href="../theme/ambiance.css">
     <link rel="stylesheet" href="../theme/blackboard.css">
     <link rel="stylesheet" href="../theme/vibrant-ink.css">
+    <link rel="stylesheet" href="../theme/twilight.css">
     <script src="../mode/javascript/javascript.js"></script>
     <link rel="stylesheet" href="../doc/docs.css">
 
@@ -55,6 +56,7 @@ <h1>CodeMirror: Theme demo</h1>
     <option>neat</option>
     <option>night</option>
     <option>rubyblue</option>
+    <option>twilight</option>
     <option>vibrant-ink</option>
     <option>xq-dark</option>
 </select>

theme/twilight.css

@@ -9,8 +9,8 @@
 .cm-s-twilight .cm-atom { color: #FC0; }
 .cm-s-twilight .cm-number { color:  #ca7841; } /**/
 .cm-s-twilight .cm-def { color: #8DA6CE; }
-.cm-s-twilight span.cm-variable-2, .cm-s-cobalt span.cm-tag { color: #607392; } /**/
-.cm-s-twilight span.cm-variable-3, .cm-s-cobalt span.cm-def { color: #607392; } /**/
+.cm-s-twilight span.cm-variable-2, .cm-s-twilight span.cm-tag { color: #607392; } /**/
+.cm-s-twilight span.cm-variable-3, .cm-s-twilight span.cm-def { color: #607392; } /**/
 .cm-s-twilight .cm-operator { color: #cda869; } /**/
 .cm-s-twilight .cm-comment { color:#777; font-style:italic; font-weight:normal; } /**/
 .cm-s-twilight .cm-string { color:#8f9d6a; font-style:italic; } /**/