Re-enable a number of tests because the FTS now is smart enought to run
the manual transaction process correctly in the random test.
Single thread two tests around configuration.
merge tjoneslo: Testing updates

Merge pull request #953 from tjoneslo/akiban-server/testing-updates
https://github.com/FoundationDB/sql-layer/pull/953
Add a new kind of group cursor that might commit from time-to-time.
Use it it SYS.DUMP_GROUP, as requested by client.
merge MMcM: Add a new kind of group cursor that might commit from time-to-time.

Merge pull request #954 from MMcM/akiban-server/dump-commit
https://github.com/FoundationDB/sql-layer/pull/954