Run optional configuration script before starting service
clean up .new files if equal
replace = with -eq in test
switched from post to get and updated testing
cleanup
cleanup
merge SytzeH: Run optional configuration script before starting service

Merge pull request #1498 from SytzeH/sql-layer/startupConfigCentos
https://github.com/FoundationDB/sql-layer/pull/1498
merge SytzeH: clean up .new files if equal

Merge pull request #1499 from SytzeH/sql-layer/newConfigFiles
https://github.com/FoundationDB/sql-layer/pull/1499
moved to JSON
cleanup
get rid of unnecessary changes
cleanup
cleanup
typing
cleanup
Suppress recent unchecked
Unnecessary ignore entry
Ignore new security readme
Add Werror to javac arguments
Remove commented out cases