Refactor UI to cache rot/pos/scale in spinners instead of sliders
Remove a duplicate UI callback
Enable/Disable Undo button based on queue
Update how changes from Manip are determined and stored
Changes from Manip will now save to XML/BVH
Allow Manip to mirror/copy rotations (pos/scale todo)
Manip changes to Pos and Scale are also stored, and should still revert
Collision volume changes from Manip now 'stick'
Undo queue now purge when base-rotation is set to zero (when you want to BVH)
Ansariel