Clean up CICE auscom coupling code a bit. Deleting a lot of unused code. Replace broadcast with ice_HaloUpdate in from_ocn.
Delete the INPUT directories, these will be setup by the run. Necessary because they get polluted by the run.
Distribute coupling field halos using internal CICE functions, rather than using a broadcast. This makes a big difference to preformance. Also some general clean-up of CICE coupling.
Specify mapping file. This has two purposes: 1) keep file in model run dir, 2) do remapping on dest not source.
Set up ICE for slenderX2 decomp with 192 procs, also CICE timestep 900 and MOM timestep 1800.