Start of work on mesh voxelization
Various style changes
Merge branch 'origin_develop' into develop

Conflicts:
	include/data/voxel_array.h
	include/data/voxel_octree.h
	src/data/voxel_array.cpp
	src/data/voxel_octree.cpp
	src/main.cpp
Various changes and fixes from merge
Fix compile error
Fixes and cleanup of voxel octree
Merge branch 'origin_develop' into develop
Better controls

E key toggles mouse capture.
Strafe speed does not depend on vertical view angle
Fixes on voxel_octree
Merge pull request #3 from fgelm01/develop

Develop