* Cleanup all existing DataSynchronizationService(Test) methods to improve consistency. * HydraulicBoundaryLocation now inherits from Observable. * Fixed bug in DataSynchronizationService methods where clear was not properly performed if resulting IEnumerable wasn't enumerated. Related to Issue [WTI-440] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@6793 5a3db67b-de53-47b5-99c8-a1c30a6650e2