rename
Introduced a timer in MiniGame.
Merge branch 'timerImpl' into gamemodels

Conflicts:
	Tendu/src/it/chalmers/tendu/gamemodel/MiniGame.java
Graphics to timer
Timer graphics
Merge branch 'dev' of https://github.com/tortal/IT2-LP1-Tendu.git into
dev

Conflicts:
	Tendu/src/it/chalmers/tendu/Tendu.java
	Tendu/src/it/chalmers/tendu/screens/NumberGameScreen.java