XD-1507 UI: Able to submit not currently deployed jobs

* Use `ng-cloak` to minimize flicker
* Apply `cg-busy` consistently
  - Apply minimum duration of `250ms`
  - Update `cg-busy` to `4.0.2` - see also: https://github.com/cgross/angular-busy/issues/23
* Improve rendering and alignment of Growl notifications
* Color-code statuses under *Deployments* and *Executions* tab