Add location of last selected stability point structures file: - Updated Database: -- Added uniqueness constraint to prevent non-unique items in the StabilityPointStructureCollection -- Added StabilityPointStructureCollectionSourcePath to store the sourcepath -- Updated documentation Related to Issue [WTI-1183] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@9939 5a3db67b-de53-47b5-99c8-a1c30a6650e2