Moved piping calculation configuration related file in Configurations subfolder (src and test). Renamed ReadPipingCalculation to PipingCalculationConfiguration and changed implementation so that properties are not read-only. Related to Issue [WTI-1221] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@10096 5a3db67b-de53-47b5-99c8-a1c30a6650e2