Current charter extended

Hi,

While the discussions on our new charter continue, I have requested that 
our (now expired) existing charter [1] be extended until end of June.

I'm pleased to report that this extension was approved by the W3C 
Director [2].

Dom

1. http://www.w3.org/2011/04/webrtc-charter.html
2. https://lists.w3.org/Archives/Member/w3c-ac-members/2015JanMar/0055.html