fixing broken tests
Merge pull request #84 from codeforamerica/dashboard

Merge dashboard
fixing receiver
Merge branch 'develop' of https://github.com/codeforamerica/landshark into develop
fixing gemfile
fixing gemfile
adding pg to gemfile
removing dumb migration
fixing broken notifications on recipient edit
Merge branch 'dashboard' into develop
Merging Andy's changes from origin/dashboard into dashboard.
Creating aggregate counts function.
Adding counts to the home page sidebar.