* Updated entities for deletion of 'PointEntity' tables and having those replaced with binary data properties. ** Updated IRingtoetsEntities, PersistenceRegistry and ReadConversionCollector accordingly. ** Removed 'PointEntity' related extension methods. ** Point3D no longer implements IStorable. * Refactored how CharacteristicPoints of RingtoetsPipingSurfaceLine are persisted in database/ Related to Issue [WTI-608] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@4447 5a3db67b-de53-47b5-99c8-a1c30a6650e2