Fix charm deployment
Fix charm deployment

Fix build regression that kept GUI from connecting to remote web socket.  No tests because this is a build artifact; we should have tests for them but do not have infrastructure for this.

R=bac, benji
CC=
https://codereview.appspot.com/6948055

bac/juju-gui,bac/juju-gui,CanonicalJS/juju-gui,jrwren/juju-gui,CanonicalJS/juju-gui,mitechie/juju-gui,jrwren/juju-gui,jrwren/juju-gui,CanonicalJS/juju-gui,mitechie/juju-gui,mitechie/juju-gui,bac/juju-gui,jrwren/juju-gui,mitechie/juju-gui,bac/juju-gui