add changelog for 0.5.0 release
add changelog for 0.5.0 release
bac/juju-gui,bac/juju-gui,jrwren/juju-gui,mitechie/juju-gui,bac/juju-gui,mitechie/juju-gui,jrwren/juju-gui,mitechie/juju-gui,bac/juju-gui,CanonicalJS/juju-gui,CanonicalJS/juju-gui,jrwren/juju-gui,jrwren/juju-gui,CanonicalJS/juju-gui,mitechie/juju-gui