Added coordinates to Missile, added comments and TODOs
Moved classes from "w2012" to "w2013"
Merge branch 'master' into gamelogic-sprint1
Merge remote-tracking branch 'origin/master' into gui-sprint1
Added a GameRule class and modified Board, Game classes
Merge remote-tracking branch 'origin/gamelogic-sprint1' into gui-sprint1

Conflicts:
	Battleship/src/main/java/ch/bfh/bti7301/w2013/battleship/game/Board.java
Drawing missiles