* Return client_id by default on info request, so the application kno…

…ws if this token is for its client_id

info.go

@@ -59,6 +59,7 @@ func (s *Server) FinishInfoRequest(w *Response, r *http.Request, ir *InfoRequest
 	}
 
 	// output data
+	w.Output["client_id"] = ir.AccessData.Client.Id
 	w.Output["access_token"] = ir.AccessData.AccessToken
 	w.Output["token_type"] = s.Config.TokenType
 	w.Output["expires_in"] = ir.AccessData.CreatedAt.Add(time.Duration(ir.AccessData.ExpiresIn)*time.Second).Sub(time.Now()) / time.Second