check for crucial voxel
Merge branch 'master' of github.com:voxelinc/voxellancer into check_for_crucial_voxel
Rename RUB to URB (seems to be standard)
Update worldobjectbuilder.cpp
Merge pull request #532 from voxelinc/mv_rub_urb

Rename RUB to URB (seems to be standard)
Add --help info to howto.md
Merge pull request #531 from voxelinc/check_for_crucial_voxel

check for crucial voxel
Make simplewayfinde use the objects containingNode
Merge pull request #539 from voxelinc/howto_help

Add --help info to howto.md
Merge pull request #544 from voxelinc/containing_node_wayfind

Make simplewayfinde use the objects containingNode
Merge branch 'master' of https://github.com/voxelinc/voxellancer into add_color_codes_and_install_docs