When the installer can't write to the source root, tell users what exact command to run to re-run the installer with root privileges.
Document the behavior in the presence of multiple Ruby interpreters
Update documentation for the 'passenger-config --ruby-command' output
Make documentation for PassengerSpawnMethod up to date
Make documentation for passenger_enabled up to date
Update Git repository URL
Document the Homebrew installation method
Fix the title for Out-of-Band Work
Remove instructions for adding /var/lib/gems/*/bin to PATH. Recent Ubuntu/Debian versions fixed this