added 'Invitations' datatable to user_feedbacks view, and split 'Feedbacks' datatable into 'Incomplete' and 'Complete' datatables
cosmetic change to a single test
Merge pull request #36 from thoughtworksrichie/master

added 'Invitations' datatable to user_feedbacks view, and split 'Feedbacks' datatable into 'Incomplete' and 'Complete' datatables