Merge pull request #29 from mike1072/master

collision detection, bullets, more islands
Merge pull request #30 from mike1072/master

bullet collisions; resources standardized
uncommitted changes
merging
Enemy Boat is pretty bompin'

Doesn't need too much more work to get it going, so we can end up using
them pretty soon.
Merge pull request #31 from leafdj/master

Enemy Boat is pretty bompin'
Crap Enemy Boat was breaking the build

Sorry, commented out the offenders.
ALSO: Bullet sprites are only rotating propery to the right of the
player, the left diagonals leave the bullets pointing the wrong way. At
least with keyboard shooting.
Merge pull request #32 from leafdj/master

FIX THE BUILD. FIX THE BUILD.
Angle Bug Fix and Trail Start

Fixed Bullet Angle bug and added starting point for Bullet Trail, Also
fixed Yellow bullet visibility
cache fix
Merge pull request #34 from NarPar/master

Angle fix and start on trails
resources
mergin