options on the Bone (G, R, S). The manipulator doesn't show btw.
Is usful to get immediate feedback on how painted weights behave with Bones.
Martin; I had to change the T_POSE behaviour in code a bit... it now
stores in TransInfo the actual posed armature being transformed. Maybe,
some day, we'll get mixed posechannel/object transform? Not much required
at the moment though. :)