xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
detail	4d99525703 first commit	6 月之前
format_manip.hpp	4d99525703 first commit	6 月之前
format_manip_attr.hpp	4d99525703 first commit	6 月之前
ostream_iterator.hpp	4d99525703 first commit	6 月之前
stream.hpp	4d99525703 first commit	6 月之前