Initial work to get some grouping action.
Merge branch 'master' into list_grouping
Quick commit to merge new changes
Merge branch 'master' into list_grouping

Conflicts:
	css/app.css
Grouping works but there's an infinite digest error. We need to fix this.
Fixed  infinite loop.
Merge remote-tracking branch 'origin/master' into list_grouping
Grouping stable. Expand features with angularSlidables module.
Added group count.