Blender Git Loki

Bendy Bones: RNA Cleanup - Naming, tooltips, ranges

* Improved naming of BBone properties to be less clunky

* Rewrote all the tooltips to be more descriptive about what they do
(and hopefully, to give an idea of how they can be used)

* Improved the ranges on all the properties
- Curve X/Y now has a range of +/- 5 (vs +/- 2 before)
- Scale In/Out now has a range of 0-5 (vs 0-2 before)

The extra flexibility doesn't seem to lead to any ill effects; instead,
at least in my tests so far, they instead give more leeway for creative
posing.

* Set defaults for the scale properties (1.0)