Merge pull request #1004 from herby/upgrade-dependencies

Upgrade dependencies

bower.json

@@ -16,8 +16,8 @@
     "jquery-ui": "~1.10.3",
     "bootstrap": "bootstrap2.3.2#~2.3.2",
     "jquery-tabby": "git://github.com/alanhogan/Tabby",
-    "es5-shim": "~2.1.0",
-    "codemirror": "~3.20.0",
+    "es5-shim": "~3.3.0",
+    "codemirror": "~3.24.0",
     "showdown": "~0.3.1",
     "require-css": "~0.0.8"
   }