* Introduced IReferenceLineReplaceHandler and its implementation. ** Applied Dependency Injection on ReferenceLineImporter to abstract ReferenceLine replacement specifics (also removing dependencies such as View logic!) * Moved integration test data production methods to generally available location (new test project created for it) ** Created DataImportHelper class (Replaced several IntegrationTestHelper classes with identical implementation) Related to Issue [WTI-440] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@6706 5a3db67b-de53-47b5-99c8-a1c30a6650e2