The new Serialization framework supports PDX Serialization as a possible configuration option for SSDG in addition to the already existing use of GemFire/Geode's DataSerialization framework. Resolves Issue #2.
(cherry picked from commit c5a1ee021016d37dda5e5eb96320ee1be9869314) Signed-off-by: John Blum <jblum@pivotal.io>