OAK-672: Avoid JCR APIs calling other JCR APIs
- Removed FIXME concerning thread safety of lazy initialisation: this is not a problem since read accesses from different threads within the same session are effectively serialised. See OAK-687.

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1456053 13f79535-47bb-0310-9956-ffa450edef68