2014.10.27 MSS Code Factory CFDbTest 2.0.12517 Test suite for PostgreSQL sp_delete() chain unlinking

The PostgreSQL stored procedure sp_update_dbtablename() has been updated
to unlink the deletion candidate from the chain before deleting it.  PostgreSQL
now passes the "Replace Complex Objects" test.

It took an additional 5,008 lines of stored procedure code to implement the functionality,
and took about 6 hours to code and test.  The total for CFDbTest 2.0 is now 5,429,443 lines.