collision with projectiles and dissapearing of hit objects implemented
started implementing particle-effects
particles appear without uupdating
Fix GBuffer restore issue. No more funky colors.
Explosioneffect added
Added sprite for explosion, show in quads. Handle alpha.
Code formatting.
Merge branch 'master' into sheppyLys

Solved alpha problem with sprites and skybox. Removed most debug output.
Some code cleanup.

Conflicts:
	GLWidget/gbuffer.cpp
	GLWidget/glwidgetcontext.cpp
	GLWidget/glwidgetcontext.h
	SheepBattleBoats.pro
	SheepBattleBoats.qrc