OAK-961 Parametrise tests to run against all Microkernel backends
Parametrise ContentSessionTest, ImmutableRootTest, ImmutableTreeTest, LargeMoveTest, MutableTreeTest, RootTest, ReadWriteNamespaceRegistryTest, TreeLocationTest and ignore failing tests

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1515321 13f79535-47bb-0310-9956-ffa450edef68