add weixin's operator
fix
Merge branch 'master' of https://github.com/LuckyStars/nbc

Conflicts:

	function-schoolmaster2/java/function-schoolmaster2/src/main/com/nbcedu/function/schoolmaster2/weixin/biz/Sm2WeixinUserBiz.java

	function-schoolmaster2/java/function-schoolmaster2/src/main/com/nbcedu/function/schoolmaster2/weixin/biz/impl/Sm2WeixinUserBizImpl.java