Merge pull request #49 from ii-BLACKREAPER/master

becasue
clicking away from towers, and no placing while paused
Merge pull request #50 from WClement/master

clicking away from towers, and no placing while paused
Merge pull request #51 from ii-BLACKREAPER/master

fixed builder
Thingies fixed, set up mobs for animation
Wave updates
Merge pull request #52 from ii-BLACKREAPER/master

mobs can draw
stuff