Moved most content into new activity; probably doesn't work yet
Stable for now
Persistence seems to work; added score field for adventure
Reorganized database propagation code; preparing for more work to be done in main menu
Added comment clarifying replacement point for QR stuff
Have clickable list of adventures in main menu.
A little cleanup.
Location answer submitted via QR code; courtesy Henry
Clarified propagate(db) command a little.
Added a bunch of comments to clarify structure of application and implementation details.
Replaced hint textview with a list of used hints. Need phone to test fully.
Added some support for a map thumbnail. Forgot to make a new branch, so sue me.