1、用新数据库bmob乡乡v101
2、环信用乡乡v101
3、聊天模块添加空会话和空联系人图片
Merge branch 'master' of https://github.com/hellocountryman/helloxiangxiang.git
Merge branch 'master' of https://github.com/hellocountryman/helloxiangxiang.git
publish按钮动态删除