Adds removeTileAt and generateNewTile to grid
Adds getter and setter to Tile's value
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/dk/sdc/Candy2048Crush/Grid.java
	src/dk/sdc/Candy2048Crush/Tile.java
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/dk/sdc/Candy2048Crush/Grid.java
	src/dk/sdc/Candy2048Crush/Tile.java