Updated 0.24.0 release notes

Fixed ClassCastException (pinterest#205)

Added 0.23.0 release notes

Updated refs to latest (0.22.0) release

Corrected --reporter usage instructions

Relaxed no-line-break-after-else rule to allow multi-line if/else wit…

…hout curly braces

Added 0.19.0 release note

Added 0.18.0 release notes

Added 0.17.1 release note

Updated 0.17.0 release notes