Get connection from the options
Get connection from the options

xmppjs/xmpp.js,xmppjs/xmpp.js,ggozad/node-xmpp,erulabs/node-xmpp-core,fritx/node-xmpp-core,node-xmpp/node-xmpp,node-xmpp/node-xmpp,ggozad/node-xmpp