agl/xmpp — pull request #11 by andrewtj (2013-08-25 11:53:10+00:00)
Title: LICENSE file / XEP-0115 / Custom Stanzas

I'm not sure you'll be interested in all three of these. 80c1e05 and 28d590f probably don't need any explanation. 660684e is motivated by wanting to use additional (non-standard) elements in presence stanzas.