Teleconference info for AG WG calls

Due to the problems with WebEx today, I have had to change the 
teleconference information for the AG WG calls. New information is at:

Tuesday call: https://www.w3.org/2017/08/telecon-info_ag
Thursday call: https://www.w3.org/2017/08/telecon-info_ag2

Please update your calendars if needed.

Please do not ever forward the information on this page to anybody. If 
somebody needs a reminder of the teleconference information, send them 
the URI of this page, not the information in the page.

Michael