firing
fixed offset calcuations and firing starts with current velocity
fire cooldown on trigger
Merge branch 'master' of https://github.com/atarng/JAMMM

Conflicts:
	JAMMM/JAMMM.suo
	JAMMM/JAMMM/JAMMM/Actors/Actor.cs
	JAMMM/JAMMM/JAMMM/Game1.cs
	JAMMM/JAMMM/JAMMM/obj/x86/Debug/DesignTimeResolveAssemblyReferencesInput.cache
	JAMMM/JAMMM/JAMMMContent/obj/x86/Debug/DesignTimeResolveAssemblyReferencesInput.cache

merging
Note I disabled 1 player win for now

there are 2 fat_swim?
it wants all the pngs??
Merge branch 'master' of https://github.com/atarng/JAMMM

Conflicts:
	JAMMM/JAMMM.suo
	JAMMM/JAMMM/JAMMM/Actors/Shark.cs
	JAMMM/JAMMM/JAMMM/obj/x86/Debug/DesignTimeResolveAssemblyReferencesInput.cache
	JAMMM/JAMMM/JAMMMContent/obj/x86/Debug/DesignTimeResolveAssemblyReferencesInput.cache