* Defined PipingFailureMechanism, to be further implemented in future commits and which can be added to WtiProject. * Defined a node presenter for the collection of PipingSurfaceLine to be found in PipingFailureMechanism Related to Issue [WTI-19] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@210 5a3db67b-de53-47b5-99c8-a1c30a6650e2