closes#2855 , closes#2848
- New mixin that utilizes NProgress for displaying a loading indictor for all routes who's model issue a "loading" event (aka: when requesting data from the server during a route change).
- Also removing (the now unnecessary) "loading" template.
issue #2989
- Adds lodash for bind and isNumber - looking for a better solution for this
- Still needs the editor and flow tests porting
- Some of the tests are commented out awaiting further implementations
