updated version

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1427882 13f79535-47bb-0310-9956-ffa450edef68
Bumped the release version for Perl and Ruby.

Also added a note for each that no new language-specific features were
developed for either language.

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1428309 13f79535-47bb-0310-9956-ffa450edef68