Changelog :
- Fix coordinator node being nulled by abort() in incremental repairs
- Added delete-schedule to the cli (spreaper)
- Allow schedules for both full and incremental repairs on the same keyspace
- Fix ClassCastException when using H2 backend
- Fix SSL encryption communications through JMX
- Fix cluster/rack names with dashes in the UI
- Fix down status not being correctly caught by Reaper when nodes aren't cleanly stopped
- Add docker-compose environment to build packages (jar, deb and rpm)