Fixed bug (showing OK after change of current player instead of PASS)

- preferred size of buttons modified (to make points visible)
- color of not active player changed (to light gray), as our Client wanted
Merge branch 'bug-in-changing-player' of https://github.com/dokaptur/projekt-Scrabble into dokaptur-bug-in-changing-player

Conflicts:
	scrabble/src/main/java/pl/edu/uj/tcs/matematycy2013/Game.java