def edit_graph(service_name, section_name, graph_name, params)
      data = get_graph(service_name, section_name, graph_name)
      id = data['id']
      updates = handle_update_params(data, params)
      post_json("/json/edit/graph/#{id}", updates)
    end
def edit_graph(service_name, section_name, graph_name, params)
      data = get_graph(service_name, section_name, graph_name)
      id = data['id']
      updates = handle_update_params(data, params)
      post_json("/json/edit/graph/#{id}", updates)
    end
Update the property of a graph, /json/edit/graph/:id
 @param [String] service_name
 @param [String] section_name
 @param [String] graph_name
 @param [Hash]   params
   All of parameters given by #get_graph are available except `number` and `mode`.
 @return [Hash]  error response
 @example
 {"error"=>0} #=> Success
 {"error"=>1} #=> Error