Secure XMPP in Chrome v38, upgrade uProxy to uproxy-lib v13 and new typescript compiler

Secure XMPP in Chrome v38, upgrade uProxy to uproxy-lib v13 and new typescript compiler

Tested in "grunt test", ran uProxy in Chrome 38 with secure XMPP.  Firefox currently run but fails to log into GTalk (same as before this pull request, will investigate in a later pull request)