fbx import cycles materials - set image mapping from diffuse for other channels that have no mapping set.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4762 96b784f8-4ae3-dd11-aff7-0030488c597c
update for changes in blender.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4763 96b784f8-4ae3-dd11-aff7-0030488c597c