Adds web2py's DAL library with many things removed that we won't use.
Moves common.py to top level.
Defines sqlite tables using DAL. Exposes global database object.
Converts game.py:dbupdate() to use DAL.
Adds web2py's DAL library with many things removed that we won't use.
Moves common.py to top level.
Defines sqlite tables using DAL. Exposes global database object.
Converts game.py:dbupdate() to use DAL.
Adds skeleton for game log viewer in support of #144.

Creates page for viewing logs.
Adds event handler skeletons to server.py for log retrieval.
Merge branch 'iss144' into dal