Liu Siyuan 0a42575490 Do no omit response description ... [swagger specs](https://swagger.io/docs/specification/describing-responses/) requires each response to have a description. Otherwise, ignorable error will be generated. This PR makes sure that description field is not omitted in the event that user did not give a description.		2017-08-03 17:32:46 +08:00
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beego	Do no omit response description	2017-08-03 17:32:46 +08:00