bzzztt when auto-lock
Board::lock(pos) mark as locked & set feedback trigger
bzzztt also when user explicitly locks
bzzztt also on long-press
option to disable bzzztt
Merge branch 'bzzztt'
cosmetic change
removed build files, auto-generate them
Merge branch 'master' of github.com:bart9h/AngryPipes

Conflicts:
	res/values/settings.xml
	src/org/ninehells/angrypipes/Board.java
	src/org/ninehells/angrypipes/BoardActivity.java
	src/org/ninehells/angrypipes/Config.java
merge fix: compiler erros
merge fix: haptic feedback button