check to see if the store supports the Identity api and throw an error otherwise in tree. Fixes #4638
check to see if the store supports the Identity api and throw an error otherwise in tree. Fixes #4638

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@10728 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful