Merge pull request #2628 from funnyAnt/https/github.com/MyCATApache/M…

…ycat-Server/tree/Mycat-server-1.6.76-test

update pom.xml  to 1.6.7.6-release version

更新版本号

Merge pull request #2392 from WhaleCloud-platform/#2390

#2390 load data local过程中出现错误，应用直接报Lost connection to MySQL server dur…

Merge pull request #1660 from magicdoom/1.6

 解决编译和单元测试错误

Merge pull request #1385 from magicdoom/1.6

binlog value null and change to 1.6.5 beta

Merge pull request #1176 from magicdoom/1.6

fix zk npe 优化zk写入

Merge pull request #1141 from qiankunshe/1.6

提交处理 sql 引用的问题，并新增了几个测试方法