Added a check to prevent client code holding a reference to a "tenant" delegator to access super/meta tenant tables. Thanks to Arun Patidar for spotting this and for discussing with me the proper solution. 


git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1643499 13f79535-47bb-0310-9956-ffa450edef68