[FOLD] Remove legacy OfferCreate transactor
[FOLD] Fix a bug with quality arithmetic operations
[FOLD] Remove commented-out code
[FOLD] Privatize some LedgerEntrySet functions and add comments
[FOLD] work in progress autobridging/freeze tests
[FOLD] Restore a bit of code that was accidentally removed.
[FOLD] Tiny cleanup
[FOLD] Sanity check orders after we adjust them.