[eclipselink-dev] Cascade Deletes bug 221389

[Gordon Yorke <gordon.yorke@xxxxxxxxxx>]

https://bugs.eclipse.org/bugs/show_bug.cgi?id=221389

Please see bug for details but this potential patch resolves issues with 
cascade deletion across join tables with enhancements for Private Ownership.
Tom Ware, Andrei Illitchev please take a look at the changes to your 
newly added relationship mappings.
--Gordon