Begin voxelexplosiongenerator
Explosions working, performance sucks because they collide
Almost working as standalone
Merge branch 'master' into voxel_explosions

Conflicts:
	data/config.ini
	src/worldobject/ship.cpp
Merge branch 'hooks_and_build' into voxel_explosions
Add lifetime porperty
Refactor spawn, add removal Hook
Refactoring
Merge remote-tracking branch 'origin/collision_filter' into voxel_explosions

Conflicts:
	data/config.ini
	src/worldobject/ship.cpp
	src/worldobject/weapons/bullet.h
Make bullets and rockets spawn explosions
Merge remote-tracking branch 'origin/reasonable_damage' into voxel_explosions

Conflicts:
	data/config.ini
	src/voxel/voxel.h
started implementing backfreferences from voxel to voxeltreenode
merge with master
merge with master
fixed tests
merge with master
Increase SpecialVoxel HP
Safely spawn particles to avoid spawnfails of spiltoffs
Add randomness helper, srand in main
New speed algorithm and orientation