Moved SoilLayerCon to Common.IO Removed Piping specific Soil layer classesRelated to Issue [WTI-1343]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@11317 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: 03652b39cfcedcd421a917efb674ee805ce554bfFormer-commit-id: e6f4ba05e1391ea847b70360eaa7e249c75ea70d