Make jxmpp jars OSGi bundles
Make jxmpp jars OSGi bundles

This restores OSGi support removed in commit
619648aee730e69c9029a5109040a5c26c2567ba with a supported plugin.

igniterealtime/jxmpp,Flowdalic/jxmpp,igniterealtime/jxmpp,Flowdalic/jxmpp,igniterealtime/jxmpp,Flowdalic/jxmpp