cmd: code fix for #905

- routers/admin: add rewrite update hook operation
- conf/locale: update locale file due to ini behavior changes
- cmd/cert_stub.go: remove useless code
- cmd/fix.go: no longer need fix command(at least now)

cmd/serve.go

@@ -28,7 +28,7 @@ var CmdServ = cli.Command{
 	Description: `Serv provide access auth for repositories`,
 	Action:      runServ,
 	Flags: []cli.Flag{
-		cli.StringFlag{"config, c", "custom/conf/app.ini", "Configuration file", ""},
+		cli.StringFlag{"config, c", "custom/conf/app.ini", "Custom configuration file path", ""},
 	},
 }