Reject queries requiring halloween transformation if table is FK referenced
Reject DELETE and UPDATE of fk referenced if query contains referencing
Concurrent, but not overlapping, MT test
Clariy TransactionService contract and update FDB impl
Bring PersistitTransactionService into line
Tighten up some FDB only test classes
Restore cleanup
Fix header
merge nathanlws: Clarify TransactionService contract

Merge pull request #1286 from nathanlws/sql-layer/clarify-txn-service-contract
https://github.com/FoundationDB/sql-layer/pull/1286
merge nathanlws: Reject Halloween vulnerable queries on FK referenced tables

Merge pull request #1281 from nathanlws/sql-layer/reject-fk-halloween
https://github.com/FoundationDB/sql-layer/pull/1281
Undo 769b91c27d8bf63e5670634d5c5aa51f69a24b71.
Adjust for the Rhino 1.7 problem.