fix misnamed var

assets/js/app.js

@@ -182,7 +182,7 @@
 				var s = new ace.EditSession(window.localStorage[filekey], "ace/mode/javascript")
 				s.setTabSize(4);
 				s.setUseSoftTabs(true);
-				aces[filekey] = s;
+				sessions[filekey] = s;
 				return s;
 			}