moved signal.h to the common includes
Added ns_server_wakeup()
ns_server_poll() waking up by ns_server_wakeup()
Update README.md
SSL related changes
Merge branch 'master' of github.com:cesanta/tcp_skeleton
Changed readme
Documented concepts
added diagram
Documented flags
Documented flags
Merge branch 'master' of https://github.com/cesanta/net_skeleton
Merge branch 'master' of https://github.com/pavel-pimenov/tcp_skeleton