客户端请求加入，服务端弹出对话框是否同意。当屏幕锁屏时，请求暂留，直到打开屏幕后再次弹出。
Merge branch 'Silas7'，解决代码冲突和NFS-98

Conflicts:
	src/com/chainton/shareservice/app/MainActivity.java
add tip for enter
merged soar
add cancell for server and client side
fixed show share circle area and finish share button