Merge pull request +13986 from c9/api-ide-fix-readonly-message

fix out of quaota message for non admin users

package.json

@@ -104,7 +104,7 @@
         "c9.ide.preview.browser": "#897177be7f",
         "c9.ide.preview.markdown": "#c3174d86e0",
         "c9.ide.pubsub": "#99b7289040",
-        "c9.ide.readonly": "#cfd951ec16",
+        "c9.ide.readonly": "#7421caab61",
         "c9.ide.recentfiles": "#7c099abf40",
         "c9.ide.remote": "#301d2ab519",
         "c9.ide.processlist": "#2b12cd1bdd",