Added 0.13.0 release note

Added 0.12.1 release notes

Relaxed auth format (checkstyle)

Added 0.11.0 release note

Added 0.10.1 release note

Added 0.10.0 release notes

Added 0.9.2 release note(s)

Added 0.9.1 release notes

Updated refs to the latest (0.9.0) release

Updated refs to latest (0.8.1) release