websocket code added to http.conf

LoadModule websocket_module   modules/mod_websocket.so
LoadModule websocket_draft76_module modules/mod_websocket_draft76.so

<IfModule mod_websocket.c>
  <Location /echo>
    SetHandler websocket-handler
    WebSocketHandler modules/mod_websocket.so echo_init
  </Location>
</IfModule>

<IfModule mod_websocket_draft76.c>
  <Location /echo>
    SetHandler websocket-handler
    WebSocketHandler modules/mod_websocket_draft76.so echo_init
    SupportDraft75 On
  </Location>
</IfModule>