The db.api module provides a useless indirection to the only
implementation we ever had, sqlalchemy. Let's use that directly instead
of the wrapper.
Change-Id: I80353cfed801b95571523515fd3228eae45c96ae
Adds versioned-object support for SyncPoint model
Implements blueprint versioned-objects
Co-Authored-by: Rakesh H S <rh-s@hp.com>
Change-Id: Iccfa7553630090f1e9bf6983519009c7d1c7d2a4