still not working
Merge branch 'floatbonus' into splitentity

Conflicts:
	TODO
shows reward and new projectile file
now vivibles can hide
no more projectile maps !
but entity should be splitted !
cleaner weapon
better level params
support no music file
or no back
or small back
new packing script (takes all pygame)
alternative one exe packer : spec for pyinstaller
pyinstaller now set!
music is back
Explosion in front
Merge branch 'noprojmaps' of https://github.com/webplate/shooter into webplate-master
Bug bug bug
Missing file
Spreader ready but doesn't upgrade
sprites added
bonus sprite added
animation system prototype
synchronized loops