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
Fix the test cursors by stopping the random switch for this test.
Cursors created on one server are not available on another.
merge tjoneslo: Fix the test cursors by stopping the random switch for this test.

Merge pull request #955 from tjoneslo/akiban-server/test-cursors-for-random
https://github.com/FoundationDB/sql-layer/pull/955
Re-fix the test-cursors test for the random connection access test.
merge tjoneslo: Re-fix the test-cursors test for the random connection access test.

Merge pull request #956 from tjoneslo/akiban-server/test-cursors-again
https://github.com/FoundationDB/sql-layer/pull/956
Remove a bunch more of types2.
A new exception class for this subsystem.
Still keeping AkType, but in a higher directory.
A little more removed.
types3 -> types.
t3expressions -> expressions.
merge MMcM: More Types2 removal

Merge pull request #957 from MMcM/akiban-server/less-types2
https://github.com/FoundationDB/sql-layer/pull/957
Remaining t3's in names.
It missed these resources. I must not have the IDE configured right.
merge MMcM: Rename types3

Merge pull request #958 from MMcM/akiban-server/rename-types3
https://github.com/FoundationDB/sql-layer/pull/958
PValue -> Value.