Bare bones group page

Conflicts:
	config/routes.rb
Merge branch 'angular' into angular-groups

Conflicts:
	config/routes.rb
	lineman/app/js/models/group_model.coffee
Add members to group page
Add translations to group page
Merge branch 'angular' into angular-groups

Conflicts:
	lineman/app/css/main.scss
Basic controller with specs
Respond with Invitable json
Merge branch 'angular-groups' into angular-invites
Put in modal (WIP)
Make group page work with new MessageChannelService
Merge branch 'angular-groups' into angular-invites
Modal works!
Can add invitations now
Add rudimentary recipients to serializer
Basic relation for users
Getting my invitation on
Add import contacts message
Add import contacts link
Add close button to modal
A cleaner way to handle group/contact/user on InvitationsController