Added unit tests for the new XEP-0030 stanza objects. All pass. (cherry picked from commit e1b814f27bf160f20bb30c315ca30769d217482d)
Added unit tests for the new XEP-0030 stanza objects. All pass.
(cherry picked from commit e1b814f27bf160f20bb30c315ca30769d217482d)

destroy/SleekXMPP-gevent,skinkie/SleekXMPP--XEP-0080-,EnerNOC/smallfoot-sleekxmpp