- property names dont need the bone type prefix anymore
- always add a root bone that all non parented bones are parented to
- x/y/z axis properties for bones.
Adds a new set of bones to rig types which are to be used for weight paint vgroups, in some these have some more segments to account for twist. also use Aligoriths new copy transform constraint.
* option to roll the delta of the arm rig.
* fix to copy metarig type
* renamed EditBone.align() --> EditBone.align_roll()
* Added EditBone.align_orientation(other)
* Added bone.vector: same as (bone.tail - bone.head)