Properly parse compiler errors for fiddles and mark them in the editor.

experimental/webtry/res/webtry/sass/webtry.scss

 @import "bootstrap-compass";
 @import "bootstrap-variables";
 @import "bootstrap";
 
 $sidebar-width: 200px;
 $content-background: white;
 $sidebar-background: #eee;
 
 html, body {
   min-height: 100%;
@@ skipping 117 matching lines @@
 
 #sourceCode {
   display: none;
   margin-top: 10px;
 }
 
 #gitInfo {
   font-size: 70%;
 }
 
-#output, #stdout {
+#output-wrapper {
   display: none;
 }
 
+.compile-error {
+  cursor: pointer;
+}
+
 /* CodeMirror customization */
 
+.CodeMirror .error {
+  background: #f88;
+}
+
 .CodeMirror-lines,
 .CodeMirror-scroll
 {
   background-color: #eee;
 }
 
 .CodeMirror {
   border: solid gray 1px;
   height: auto;
 }
@@ skipping 13 matching lines @@
 
 .navbar-brand {
   padding: 0;
 
   img {
     height: 50px;
     box-shadow: none;
     background: none;
   }
 }