Limitation: SLIM won't be able to run single point resolutions

I think this is OK, although it might help with debugging to have the option to do this. With SLIM as its own component, we would need to add the capability of using the 1x1 and CLM_USRDAT grids that are available for CLM. We could add it pretty easily but it would take some effort. So I propose we don't do this, unless we see some clear reasons for doing this. It could also be added at a later date when we decide it is important.