Blender Git Loki

Scripts:
- Jean-Michel Soler updated the svg to obj module used by Paths
Importer (thanks!)
- user request: added option to control whether user prefers per face
(uv face select "TwoSided" toggle) or per mesh ("Double Sided") single /
double face info in ac3d exporter.

BPY:
- Blender_ShowHelp() was now crashing Blender when called for the
second time, due to EXPP_dict_set_item_str decrementing the reference
count of an object passed as argument to Blender_ShowHelp() (so not
owned by that function).