Check for other than self-referencing wasn't correct.
As a result, tests only worked in DEFERRED execution mode.
Add two taps modification procedures to the sys schema via the
StatisticsService.
Remove unused constants.
Failing test
Handle escaped escape at end
Big cleanup and fixes to LIKE/Matchers
Add [I]REGEX function
Test another opt flag
Remove the JMX bean access to the Taps.
merge MMcM: Address issues with foreign key self reference handling

Merge pull request #1224 from MMcM/sql-layer/foreign-key-self-reference-2
https://github.com/FoundationDB/sql-layer/pull/1224
merge tjoneslo: Add two taps modification procedures to the sys schema

Merge pull request #1221 from tjoneslo/sql-layer/create_taps_procedures
https://github.com/FoundationDB/sql-layer/pull/1221
merge nathanlws: LIKE fixes and cleanup

Merge pull request #1222 from nathanlws/sql-layer/fix-like
https://github.com/FoundationDB/sql-layer/pull/1222
merge nathanlws: Add [I]REGEX function

Merge pull request #1223 from nathanlws/sql-layer/add-regex
https://github.com/FoundationDB/sql-layer/pull/1223