Store and display Agent name and AP stats to/from DB

* Populate initial stats Agent Name and AP to DB to DB when OCR is complete
* Read stats from DB on standard app launch, and populate Agent Name
  and AP UI fields with latest stats.
* Add Next/Previous buttons to load older stat blocks.
Use helper function setTextViewText fully.
When OCR is finished and DB has new AgentStats, reload all stats

* Reload the stats from the DB when new stats are added to it,
  so when it's launched from the share widget, all records including
  the new one can be paged through.
Add delete button to delete a record from the DB.
Add UPV stat to stats saved in DB