[9/14/16] webperf group call @ 9AM PST

Note that the call is one hour earlier (9AM PST) than our usual time.
Dial-in details:
https://www.w3.org/wiki/Web_Performance/Call_Information#Sep
tember_14.2C_2016

Agenda:

   - Moving Resource Timing Level 1 forward?
   <https://lists.w3.org/Archives/Public/public-web-perf/2016Sep/0000.html>
   - Followup discussion on Long Tasks API & msFirstPaint implementation in
   Edge
   - Agenda bashing (goals, topics, scheduling, etc) for TPAC:
   bit.ly/webperf-tpac16

Time permitting:
https://github.com/w3c/hr-time/pull/29#issuecomment-241510438

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