Added test to make sure login sends the appropriate params and version for juju 2.0 and greater
Added test to make sure login sends the appropriate params and version for juju 2.0 and greater

mitechie/juju-gui,bac/juju-gui,bac/juju-gui,mitechie/juju-gui,bac/juju-gui,mitechie/juju-gui,mitechie/juju-gui,bac/juju-gui