[tor-wiki-changes] doc/MetricsTimeline edited

[Tor Bug Tracker & Wiki: dcf]

Note outage of some default obfs3 bridges that apparently just ended. 

([diff](https://trac.torproject.org/projects/tor/wiki/doc/MetricsTimeline?action=diff&version=40))

URL: https://trac.torproject.org/projects/tor/wiki/doc/MetricsTimeline?version=40