Bifurcate upgrade-controller and upgrade-model commands.

Author: hpidcock

cmd/juju/commands/main.go

@@ -399,7 +399,7 @@ func registerCommands(r commandRegistry) {
 	r.Register(model.NewModelGetConstraintsCommand())
 	r.Register(model.NewModelSetConstraintsCommand())
 	r.Register(newSyncAgentBinaryCommand())
-	r.Register(newUpgradeJujuCommand())
+	r.Register(newUpgradeModelCommand())
 	r.Register(newUpgradeControllerCommand())
 	r.Register(application.NewRefreshCommand())
 	r.Register(application.NewSetApplicationBaseCommand())