Add configuration switch for Feedback option
[Issue #23] Disable NFC activity if has_nfc_badges is false
[Issue #37] Fix light text colour on white background on sw600dp+ devices
[Issue #39] Fix double countdown; If no mock_current_time was present the method would return 2*current_time - app_start_time which makes the UI think the app has been running for twice as long as it actually has
[Issue #39] Improved efficiency. Previous patch was good for highlighting the problem, but this one is the most effecient way to fix the issue
My definition of a Boom-bastic Sync Schedule. This is implemented because if there are problems with GCM the data will still be synced, whereas a GCM only system is entirely dependant on GCM which we do not control and have no SLA for
Allow sessions to be added if the data set says they should (e.g. when there's a single important session in a slot)
Update to data to put the Hackathon as a session
Bump the local data version number