Split out set of prins labels
Renamed Lattices.v to Labels.v
Resurrected 2-point lattice
Added classes for proper (with top) and finite lattices
Ported Leo's 4-point lattice (diamond shaped)
Moved allThingsBelow out of Memory.v and into Labels.v
Removed unused memory injection infrastructure

... plus some other cleanup
Pushing the change through

... including lots of cleanup
Switched to modules, only thing left is GenerationProofs*
Fixed some of the proofs, left 6 admits, sorry

... mutant finding seems to work fine again