Blender Git Loki

new function object_is_libdata - checks ob->id.lib but also accounts for proxy's.
Object panels were using object_data_is_libdata, which meant linked obdata could not have object settings changed.

curve2tree
- option to face leaves up or down
- random pitch and roll options
- place 2 leaves on a point for denser leaves
- random seed entry so you can get reproducible results