Now Magnum supports list, get, delete user's cluster/template by admin,
but not allowed for updating. We're seeing this could be a very useful
feature for us, since sometimes we need to help our customer to update
their templates or clusters on behalf.
Task: 30251
Story: 2005323
Change-Id: I3ab1d4583b5eb3d1c377e46fd73347c2477c3e08