use default apipath(), added shared_image_repository() update from trunk r10695
use default apipath(),
added shared_image_repository()
update from trunk r10695

git-svn-id: 9a050473c2aca1e14f53d73349e19b938c2cf203@10696 6a7f98fc-eeb0-4dc1-a6e2-c2c589a08aa6

legoktm/pywikipedia-rewrite