Unreal PSK/PSA Exporter addon: Updates for API changes (UIList). Changed doc string style from __doc__ = ... to """..."""

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4296 96b784f8-4ae3-dd11-aff7-0030488c597c
Systematically adding some custom id to template_list using default UI_UL_list class, this one is commoly used more than once in an area, yielding collision issues if they do not have a custom id...

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4299 96b784f8-4ae3-dd11-aff7-0030488c597c
update text list name.

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4301 96b784f8-4ae3-dd11-aff7-0030488c597c
fixed error export for non/select objects.

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4302 96b784f8-4ae3-dd11-aff7-0030488c597c
mod: respecting layout_type {'DEFAULT', 'COMPACT', 'GRID', } in UIList class

shown in:
http://www.blender.org/documentation/blender_python_api_2_65_10/bpy.types.UIList.html

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4303 96b784f8-4ae3-dd11-aff7-0030488c597c