Support an idle timeout to close connections for HTTP/TCP servers/clients

Manually merging PR https://github.com/eclipse/vert.x/pull/839

Signed-off-by: nscavell <nick.scavelli@gmail.com>
ideas
websocket stuff
ws
ws
Implement idle connection timeout for net and http
Proper Websocket Frame support
Implement proper support for WebSocket frames
Merge branch 'master' of https://github.com/eclipse/vert.x