* Updated entities such that primary key property of GrassCoverErosionInwardsOutputEntity now follows naming convention. * Performance optimization in PersistenceRegistry to prevent EntityFramework from checking 'changed state' when no elements are actually removed from a collection. * Extended RingtoetsEntities with a flag to disabling change tracking ** Improved performance of retrieving elements from data base tables with IStorableExtensions. Related to Issue [WTI-608]