Implement additional properties for the output: - Added a parser to the WaveConditionsCosineCalculator and the WaveConditionsCalculationOutput to store the parsed WaveDirection - Extended the WaveConditionsCalculationParser to parse the wave direction (wave angle w.r.t north) Related to Issue [WTI-897] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@6921 5a3db67b-de53-47b5-99c8-a1c30a6650e2