Remove duplicate test file
Convert index stats JMX methods to system routines
Remove duplicate test coverage
Allow NULL for test dat files, insert as one transaction
Expose property
Convert histogram yaml to IT
Move loadDatabase to ApiTestBase
Move test files to subdirectories
Make test independent of other services
Add clear and test
Headers
Override the TCastBase#preferredTarget() for the MString types to
include the length, character set, and collation of the input string. 

Update a few tests to ensure this works as expected.
Add back schema file
merge nathanlws: Add index statistics helpers to system routines

Merge pull request #1304 from nathanlws/sql-layer/stats-sys-functions
https://github.com/FoundationDB/sql-layer/pull/1304
Add a second RulesTest for the types resolver to verify correctness.
Remove UseParNewGC from default JVM options
Remove ThreadPriorityPolicy settings
More jvm.options cleanup and commenting
merge nathanlws: Remove outdated and superfluous settings from JVM options file

Merge pull request #1306 from nathanlws/sql-layer/no-gc-settings
https://github.com/FoundationDB/sql-layer/pull/1306
Add README.txt comment about new test.