* Refacoted HeightStructureFailureMechanismContextProperties to HeightStructureFailureMechanismProperties, no longer depending on the *Context. ** Updated HeightStructuresPlugin accordingly. * Implemented ClosingStructuresFailureMechanismProperties. Related to Issue [WTI-552] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@6028 5a3db67b-de53-47b5-99c8-a1c30a6650e2