add sfml
add oculus lib
linux sound
Merge branch 'soundcheck' of https://github.com/voxelinc/voxellancer into soundcheck
update setup script
fix whitespace in findsfml
Merge branch 'camera-hud-oculus' of https://github.com/voxelinc/voxellancer into soundcheck

Conflicts:
	lib/.gitignore
	lib/lib.zip
	lib/setup_libs.sh
	src/game.cpp
	src/game.h
	src/player.cpp
	src/player.h
	src/ui/hud.cpp
	src/ui/inputhandler.cpp
	src/ui/targetselector.cpp
add wrapper for sounds
add cleanup
Merge branch 'soundcheck' of https://github.com/voxelinc/voxellancer into soundcheck

Conflicts:
	src/sound/soundmanager.h
make looping rocket thrusters
update setup script
fix linux build
small fix
update glow
fix linux build
glow fix
fix whitespace
fix performance test
add possibility to have multiple soundmanager. one for each "scene" (ingame, menu, ...)