参与开源

参与开源的一些记录：

• Presto: Fix ‘restart presto failed in Ambari 2.5’ and Upgrade version of presto component

• Durid: 复杂sql解析不正确的问题

• SpringBoot: document of spring.http.multipart.file-size-threshold is confused or mistake

• JavaNSQClient: add heartbeat interval exceeded check