xmpp-ftw/xmpp-ftw — pull request #56 by Roobiz (2014-02-19 07:30:46+00:00)
Title: - add unsubscribe capability

http://xmpp.org/rfcs/rfc3921.html#sub §6.4

It's usefull when we want to remove user from roster like described in http://xmpp.org/rfcs/rfc3921.html#int-remove

I also make a PR @ xmpp-ftw-demo to add this feature into docs