OAK-708: SecureNodeState#getChildNodeCount and #getPropertyCount: don't respect read permissions

Patch by Antonio Sanso

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1465618 13f79535-47bb-0310-9956-ffa450edef68
OAK-619 MongoMK: support property "oak.mongoMK.clusterId" (temporary solution)

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1465619 13f79535-47bb-0310-9956-ffa450edef68