Updated entities (with primary key for ReferenceLinePointEntity Added persistence for ReferenceLine. Exposed Set method in IRingtoetsEntities for fast removal of entities. Related to Issue [WTI-332] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@2696 5a3db67b-de53-47b5-99c8-a1c30a6650e2