View by mediatype initial prototype.
Add in filtering.
Add ngBusy
Fix up home page by adding hover and dividers. Add Search by mediatype.
Merge branch 'view-by-mediatype' into current-sprint

Conflicts:
	website/app/application/core/projects/project/home/directives/home-files-directive.js
	website/app/application/core/projects/project/home/directives/home-files.html