Added DamFailureMechanismeCalculationSpecification to KernelInput as this comes from the xml and should not be set in the results themselves. Also added tests for Stability outward. Related to Issue [MWDAM-1057]
Replaced few Sellmeijer4Forces in SellmeijerVnk. Added design result. Corrected DInBetweenAquiferlayer in case there is no in-between aquifer layer. Removed unused parameters like d70 from prepare. Related to Issue [MWDAM-1055]