OAK-619 MongoMK: a randomized cluster test (currently failing)

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1462182 13f79535-47bb-0310-9956-ffa450edef68
OAK-720 - UpToDate NSC should not return defaults if the NS doesn't exist at the specified path

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1462183 13f79535-47bb-0310-9956-ffa450edef68