- Added a deprecation warning to be thrown when a (sub)partition
  of a partitioned table is created in a shared tablespace.
- Added an internal error handler to make sure this warning is
  thrown only once if there are more then one (sub)partitions
  are being created in shared tablespaces.

RB : 19932
Reviewed by : Allen Lai <zheng.lai@oracle.com>
              Kevin Lewis <kevin.lewis@oracle.com>
              Dyre Tjeldvoll <Dyre.Tjeldvoll@oracle.com>