Leaves imported rig in object mode and don't issue a popup on success.

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4713 96b784f8-4ae3-dd11-aff7-0030488c597c
*Fixed one bug with multi-materials bearing custom pov code
*Commented out a property that was not yet implemented in exporter
*Added frame number export for hand made pov animation
Thanks to a patch made by Markku Myllymäki

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4717 96b784f8-4ae3-dd11-aff7-0030488c597c
MHX importer. All exec statements removed.

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4718 96b784f8-4ae3-dd11-aff7-0030488c597c