Blender Git Loki

RNA C++ API improvements

Added support of such features, as:

- Ability to call RNA functions using C++ classes
For example RenderEngine.tag_update

- Property setters (for scalars and arrays)
Used Qt/jQuery-like getters/setters style, meaning Class.prop() is a getter,
Class.prop(value) is a setter.

Still to come:

Collection functions are not currently registering inside a property
Meaning BlendData.meshes wouldn't be a subclass of BlendDataMeshes result
you'll need to explicitly create BlendDataMeshes for now instead of doing
BlendData.meshes.remove()