Extended the StabilityPointStructuresCalculationConfigurationReader Related to Issue [WTI-1166]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@9144 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: 30b5f5f3ae76cf3973e90eac946958a000e50794Former-commit-id: a0fa7da47c4faf9153b64955300c91daf7294509