initial work for collision detection
added prototypes for collision classes
rewrote voxeltreenode
updated .gitignore
continued work on the collision-engine
even more collision detection stuff
somewhat code-complete collision detection, will need a lot of testing and addition still
basic collisiondetections are working
added missing files
cleanup started
Make it run on linux vm with ogl 2.1 glsl 130
Extract fix to linuxvmdummy
Add some gitignores
Add Property for workaround
Remove debugprint
Remove Property, use intelligent detection
Remove config line
Add HUD prototype
tuned collision detection
Merge branch 'clusterloader' into hud

Conflicts:
	src/game.cpp
	src/game.h