[3/23/16] webperf group call @ 10AM PST

Dial-in details:
https://www.w3.org/wiki/Web_Performance/Call_Information#VoIP

Tentative agenda:

   - [nav-timing, resource-timing] Use continuous IDL
      - https://github.com/w3c/navigation-timing/pull/41
      - https://github.com/w3c/resource-timing/pull/51
      - [page-visibility] Tests for visibilitychange event during unload
      - https://github.com/w3c/page-visibility/issues/21
   - [preload] Preload and Server Push
      - https://github.com/w3c/preload/issues/38
      - [beacon]
      - Add method to sendBeacon
         - https://github.com/w3c/beacon/pull/27
      - [requestidlecallback]
      - Integration with IntersectionObserver
      - https://github.com/w3c/requestidlecallback/issues/36
         - Velocity SC logistics
      - F2F + BoF scheduling

ig