[1/19/15] webperf group call @ 11AM PST

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

-- Tentative agenda:

   - Beacon API
      - Review security + privacy PR
         - https://github.com/w3c/beacon/pull/23
      - Should sendBeacon support GET?
      - https://github.com/w3c/beacon/issues/22
         - Triage outstanding issues
   - Preload
      - Review privacy +security PR
         - https://github.com/w3c/preload/pull/40
      - Webperf WG @ Velocity Santa Clara: agenda, plans, etc.
   - Triage other open issues.

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