Fix for api changes in alpha

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4220 96b784f8-4ae3-dd11-aff7-0030488c597c
changed the add-on bug tracker link to http://projects.blender.org/tracker/index.php?func=detail&aid=34084

previously tracker http://projects.blender.org/tracker/index.php?func=detail&aid=29404 i closed.

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4223 96b784f8-4ae3-dd11-aff7-0030488c597c
fix for error exporting a dupli that contained no objects.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4236 96b784f8-4ae3-dd11-aff7-0030488c597c