[tor-wiki-changes] org/meetings/2016SummerMeeting edited

[Tor Bug Tracker & Wiki: anadahz]

fix date typo, add t-shirt size 

([diff](https://trac.torproject.org/projects/tor/wiki/org/meetings/2016SummerMeeting?action=diff&version=113))

URL: https://trac.torproject.org/projects/tor/wiki/org/meetings/2016SummerMeeting?version=113