[Bf-codereview] Support for Get/Set callbacks in bpy.props (issue 7027056)

[lukas.toenne at gmail.com]

Here is a small test file:

http://www.pasteall.org/blend/18621

Just run the test.py script from blender editor. It creates a number of
properties in Object using get/set functions and prints values.

https://codereview.appspot.com/7027056/