checkpoint bi-di Contact creation
checkpoint bi-di Contact tests
fix tests associated with automatic bi-di Contacts
cleanup ContactResourceTest
fix which object is declared to have a malformed KiraDb descriptor in AbstractRecord.  Fold in rate limit filter but do not activite it yet.
implement public Object readResolve() for models so KiraDb fields are init'd on XStream deserialize.  See http://rolandtapken.de/blog/2010-08/let-xstream-call-default-constructor-where-possible