refactor
refactored how numbergame handles random numbers, hopefully it removed
the bug where some players got the same numbers.
Merge branch 'numberModelRefactoring' into StartGameFromLobby

Conflicts:
	Tendu/src/it/chalmers/tendu/controllers/GameSessionController.java
	Tendu/src/it/chalmers/tendu/controllers/NumberGameController.java
	Tendu/src/it/chalmers/tendu/gamemodel/numbergame/NumberGame.java