For some reason __meteor_runtime_config__.ROOT_URL value in https://rocketchat-host/__cordova/index.html is not changed even when the ROOT_URL value is changed via the admin console, or via our Auto ROOT_URL detect popup toast.

This will cause the mobile app to load the previous ROOT_URL value, resulting in a blank (or white bar) login screen.

This happens frequently because the default is localhost:3000 - and many rely on our 'auto detect toast' to fix the ROOT_URL for all non-mobile clients.

Highly likely the cause of #25