Conflicts:
	common/src/main/java/com/wecloud/im/netty/core/WsReadHandler.java
	common/src/main/java/com/wecloud/im/ws/service/impl/MangerChannelServiceImpl.java
	common/src/main/java/com/wecloud/im/ws/service/impl/WriteDataServiceImpl.java
	common/src/main/java/com/wecloud/im/ws/strategy/concrete/ImChatConcrete.java
	docs/md/内部/wecloud-im前端Websocket对接文档.md
	开发记录.md

1.4

See merge request !8

Feature 1.4 upay group

See merge request !7

优化代码,移除无用TODO;

ws下发会话拓展字段变动事件

增加接口: 添加或修改主昵称

路由找到当前client的远程地址,并通过RPC远程调用下发数据;
根据ClientId从redis获取client信息;
完成websocket的channel通道缓存改造;
维护client的多端数据:  值为set集合,netty的channel的id;
修改token同一个账号可多次登录;