rg3/youtube-dl — pull request #390 by rbrito (2012-08-05 03:32:47+00:00)
Title: Use a supposedly "stable" User-Agent.

It is possible that some sites decide that Firefox 5 is too old. To avoid
using the newest and greatest, let's settle on an "Extended Support Release"
of Firefox, which is less likely to have sites complaining about.

Signed-off-by: Rogério Brito