Update version info to 3.7.4
science: Fix slr landloss bug

The equation computing potential cumulative dryland loss from
slr was incorrect.
Merge changes from FUND 3.7.4
Update version info to 3.8.2
Fix bug in Esmf.Model.AddComponent method

The method has an optional runAfter parameter that was not properly
converted to lowercase when used.
Add Esmf.Model.RemoveComponent method
Change type of additional init method for MarginalDamage3
Add additional constructor to empirical distribution