export PLY with object transformation applied.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4401 96b784f8-4ae3-dd11-aff7-0030488c597c
use object.update_from_editmode() for scripts which read object data.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4402 96b784f8-4ae3-dd11-aff7-0030488c597c
only calculate normals if there being exported.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4403 96b784f8-4ae3-dd11-aff7-0030488c597c