Upgrade CodeMirror to 5.10.1 and now support fullscreen, jump-to-line in editor

public/vendor/codemirror/mode/haml/haml.js

@@ -85,8 +85,10 @@
           state.tokenize = rubyInQuote(")");
           return state.tokenize(stream, state);
         } else if (ch == "{") {
-          state.tokenize = rubyInQuote("}");
-          return state.tokenize(stream, state);
+          if (!stream.match(/^\{%.*/)) {
+            state.tokenize = rubyInQuote("}");
+            return state.tokenize(stream, state);
+          }
         }
       }