Blender Git Loki

Bendy Bones: Fix for Clear Rotation/Scale not affecting the Bendy Bone settings

* These operators were still clearing the pchan->bone (i.e. restpose values) instead
of the pchan values, which may have messed things up quite a bit.
* I've also now included the curve x/y stuff in rotation. While the transform being
applied to the handles is more like translation, the effect is actually closer
to rotation of the bone segments. So, on balance, let's try it this way.