* Implemented Create methods for SurfaceLineEntity and SurfaceLinePointEntity. * Updated CreateConversionCollector for SurfaceLinePointEntity. ** Had to make Point3D implement IStorable. Related to Issue [WTI-289] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@3230 5a3db67b-de53-47b5-99c8-a1c30a6650e2