07/30/19
- adding cube92_latest, initially a carbon copy of cube92

07/19/19
- starting tag-index file to keep track of changes
- specifying exact checkout date/time for MITgcm code

08/19/19
- add cube101:
	use the LLC270 parameters from
	MITgcm_contrib/ecco_darwin/v4_llc270/code
	MITgcm_contrib/ecco_darwin/v4_llc270/input
	but with some TBD modifications to
	make it more similar, but not identical, to cube92

	TBD modifications:
	1) KPP instead of ggl90
	2) GM/Redi off

	use bbl instead of downslope
	1992-present simulation