Added a startscreen which the program starts from
Updated startscreen (now with exceptions!)
Have added a button, no exceptions left, but ...

.. we need to get the layout so that the button can be "drawn" on the
screen.
Mainmenu with startgame button (works, directs...

..to the old game thought)
Merge remote-tracking branch 'origin/develop' into Screens
Added exit and changed the layout somehow
Added a levelscreen & functionalitiy for the backbutton
Removed old pictures
Merge remote-tracking branch 'origin/develop' into Screens
Added paus screen and its functionality
Added pausscreen and its functionality
Updated inGameController
Merge branch 'develop' of https://github.com/emmawestman/dat255group3 into develop

Conflicts:
	dat255_group3/src/com/dat255_group3/controller/InGameController.java