mod_h[ttp]2 v1.6.0

• handling graceful shutdown gracefully, e.g. processing existing streams to the end.
• h2 status resource follows latest draft, see
  http://www.ietf.org/id/draft-benfield-http2-debug-state-01.txt
  Configure it as

   <Location "/.well-known/h2/state">
        SetHandler http2-status
    </Location>

• support for 'Expect: 100-continue' handling