def start(params={})
      id = params.delete(:id) || self.id
      response = Zcloudjp::Client.post("/machines/#{id}/start", self.request_options)
      update_attributes(response.parsed_response)
    end
def start(params={})
      id = params.delete(:id) || self.id
      response = Zcloudjp::Client.post("/machines/#{id}/start", self.request_options)
      update_attributes(response.parsed_response)
    end
POST /machines/:id/start.json