Add explosion effect for shmup
Merge branch 'master' of https://github.com/zachanima/catbox
Delete swap files
Merge branch 'master' of https://github.com/zachanima/catbox

Conflicts:
	examples/shmup/.Laser.js.swo
	examples/shmup/.Missile.js.swo
	examples/shmup/.Player.js.swo
	examples/shmup/.main.js.swo
Fix particles
Merge branch 'master' of https://github.com/zachanima/catbox