Failing tests
Reject DESC index columns.

Fixes #802
Fixes #803
Add a debug log entry when connection disconnects.
Bump jdbc test dep. Tweak affected test.
Make connection URL overridable.
Tests for binaryTransfer true and false
Fix test tweak
merge nathanlws: ITs for both JDBC binaryTransfer modes

Merge pull request #970 from nathanlws/sql-layer/test-pg-binary-transfer
https://github.com/FoundationDB/sql-layer/pull/970
merge nathanlws: Reject DESC index columns

Merge pull request #969 from nathanlws/sql-layer/reject-desc-index-columns
https://github.com/FoundationDB/sql-layer/pull/969
merge MMcM: Add a debug log entry when connection disconnects.

Merge pull request #971 from MMcM/akiban-server/pg-log-disconnect
https://github.com/FoundationDB/sql-layer/pull/971