Added project Ringtoets.Revetment.IO to house shared WaveConditionsWriter. Related to Issue [WTI-728]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@5157 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: 18dac5a68e9c2ce08b31a5cb6a4830b5a4078984Former-commit-id: 6f33cc729301f9b674c3876cc4a544b6961ef509