OPEN - task 4: Implementera GameEngine 
http://github.com/Pakkumanhakkers/pakkuman/issues/issue/4
Merge branch 'master' of https://github.com/Pakkumanhakkers/pakkuman.git

Conflicts:
	Pacman/src/GameEngine.cpp
	Pacman/src/GraphicEngine.cpp
Lagt till koppling mellan logik och grafik och ai.

Merge branch 'master' of https://github.com/Pakkumanhakkers/pakkuman.git

Conflicts:
	Pacman/src/GameEngine.cpp
Initierat objekt i GameEngine

Merge branch 'master' of https://github.com/Pakkumanhakkers/pakkuman.git

Conflicts:
	Pacman/src/GameEngine.cpp
Borde vara startklar.

Merge branch 'master' of https://github.com/Pakkumanhakkers/pakkuman.git

Conflicts:
	Pacman/src/GameEngine.cpp
	Pacman/src/GameEngine.h
Småfix. Graphic engine tog in ticks. Använder nu internt. Lagt till
destruktor för gameinstance
OPEN - task 4: Implementera GameEngine 
http://github.com/Pakkumanhakkers/pakkuman/issues/issue/4