Renamed IStochasticSoilModelUpdateStrategy to IStochasticSoilModelUpdateModelStrategy to better match intention. Refactored StochasticSoilModelImporterTest so that it is not dependent on StochasticSoilModelReplaceDataStrategy. Related to Issue [WTI-1070] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@8050 5a3db67b-de53-47b5-99c8-a1c30a6650e2