using forked copy
tastypie from git
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
making today nullable
forgot datetime.datetime
Bugfix for test_data.
Merge remote-tracking branch 'upstream/master'
Bug fixes for reports.

- Fixes the broken date slider
- Fixes disparity between 'Responses Found' and the graph