Merge branch 'master' of https://github.com/lovevrlsq/Client

Conflicts:
	Client.sln
4th
Merge branch 'master' of https://github.com/returnanapple/Client
1、增加滚动条的自动滚动
2、将通信用的wcf的Client单独作为viewmodel的私有属性 以防多次加载事件