Renamed IllustrationPoint to SubmechanismIllustrationPoint: - Done to mirror the items of the fault tree representation more accurately - Fixed inconsistency in the hydra ring side, SubMechanismIllustrationPoint --> SubmechanismIllustrationPoint Related to Issue [WTI-1305] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@10524 5a3db67b-de53-47b5-99c8-a1c30a6650e2