Export load_backend into the jsonpickle namespace
Export load_backend into the jsonpickle namespace

Loading additional backends used to require calling:
	jsonpickle.json.load_backend(...)

This is now exported into the jsonpickle namespace:
	jsonpickle.load_backend(...)

Signed-off-by: David Aguilar <davvid@gmail.com>

git-svn-id: 93f2f39c93ae088b792869c1b97110104553f60a@45 ba5bf794-d048-0410-8f42-e1fdefefffeb

mandx/jsonpickle,mandx/jsonpickle,mandx/jsonpickle,eoghanmurray/jsonpickle_prev,dongguangming/jsonpickle,mandx/jsonpickle,dongguangming/jsonpickle,dongguangming/jsonpickle,dongguangming/jsonpickle,eoghanmurray/jsonpickle_prev