mozilla/browserid — pull request #3933 by shane-tomlinson (2013-09-30 13:36:01+00:00)
Title: fix IE11

@6a68, @callahad, @seanmonstar

* update WinChan's ua sniff to handle IE11
* remove the extra after the class.

A test instance is set up on ie11.personatest.org

fixes #3593