if the backing CLR types for complex types are in an inheritance hierarchy, ReconfigureEntityTypesAsComplexTypes fails to add base type properties resulting in partial or empty types.
Comments: http://aspnetwebstack.codeplex.com/SourceControl/changeset/3007f73f8cb2
Comments: http://aspnetwebstack.codeplex.com/SourceControl/changeset/3007f73f8cb2