Mobile detection: check for mozOrientation too

Addresses #75.
Only roll dice after confirming post reservation
is_game_board helper
Remove es5-shim.map

Kind of useless considering the rest of the code doesn't have source maps.
The concatenation with yepnope.min.js was causing a console error, too.
Just look for Android user-agent

Addresses #75.
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Just look for Android user-agent
  Remove es5-shim.map
  is_game_board helper
  Only roll dice after confirming post reservation
  Mobile detection: check for mozOrientation too

Conflicts:
	client/client.js
Text URL linkification

Resolves bakape#62