Update rabbitmq to 3.1.1.

Minor bugfixes, see full changelog:

http://www.rabbitmq.com/release-notes/README-3.1.1.txt
Updated net/rabbitmq to 3.1.1
+ gramps-4.0.0, john-1.8.0, scmgit-1.8.3, telepathy-gabble-0.16.6.
- php-owncloud-5.0.4, tmux-1.8, windowmaker-0.95.2
Update to 0.02. From the changelog:

- Re-packaging without auto_install(). (ANDK)
Updated devel/p5-Class-ErrorHandler to 0.02