* Fixed for WTI-Review-610: ** Imported redesigned foreign-key relationship between PipingCalculationEntity and PipingOutputEntity/PipingSemiProbabilisticOutputEntity. *** Also deletes accidentally imported other entities. ** Introduced extension methods for duplicated code related to converting between doubles and decimals. ** Fixed typos. Related to Issue [WTI-474] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@3570 5a3db67b-de53-47b5-99c8-a1c30a6650e2