Release 2.2

New Features

• Support specifying a range of workers in config.json

Bug Fixes and Enhancements

• Fix error with getting server status for complex Presto version names
• Preserve all of /etc/presto during upgrade
• Use rpm -U for package upgrade and server upgrade instead of uninstalling and reinstalling fresh
• Use .gz instead of .bz2 for the installation tarballs and for the files collected by collect logs and collect system_info