Merge pull request #147 from Ghostwalker71/feature/import_fo3

io_scene_nif/animationsys/animation_export.py

io_scene_nif/animationsys/animation_import.py

io_scene_nif/armaturesys/armature_export.py

io_scene_nif/armaturesys/armature_import.py

io_scene_nif/collisionsys/collision_export.py

io_scene_nif/collisionsys/collision_import.py

io_scene_nif/constraintsys/constraint_export.py

io_scene_nif/materialsys/material_export.py

io_scene_nif/materialsys/material_import.py

io_scene_nif/nif_export.py

io_scene_nif/nif_import.py

io_scene_nif/objectsys/object_export.py

io_scene_nif/operators.py

io_scene_nif/texturesys/texture_export.py

io_scene_nif/texturesys/texture_import.py

io_scene_nif/texturesys/texture_loader.py

io_scene_nif/utility/nif_utils.py