fixed getDistance which caused teleportation over about three tiles
distance
moving a unit further than one tile works now (bug was in
addValidAStarTileToOpenList)
Merge branch 'devMovePath' into dev
fixed mousePos bug
head problem
Merge branch 'dev' of local repository into Francois

Conflicts:
	TP3/src/ca/csf/RTS/game/GameController.java
	TP3/src/ca/csf/RTS/game/entity/state/Move.java