Bump installable version to 20
Import changelog from master
Chromium 2013.1.18 ("Internet freedom" beta)
Merge remote-tracking branch 'negres/3.0' into 3.0
Merge branch '3.0' of https://git.torproject.org/https-everywhere into 3.0
Merge remote-tracking branch 'negres/3.0' into 3.0
[Eventbrite] securecookie was causing redirect loops :/

Conflicts:
	src/chrome/content/rules/Eventbrite.xml
Bump version to 3.1.4
Observatory popup deployment: 85 -> 100%
[NuGet] only rewrite known good subdomains

https://trac.torproject.org/projects/tor/ticket/8020

(the ruleset also breaks docs.nuget.org)

Conflicts:
	src/chrome/content/rules/NuGet.xml
[University of Southampton] fix redirect problem https://trac.torproject.org/projects/tor/ticket/8112

Conflicts:
	src/chrome/content/rules/University-of-Southampton.xml
Merge remote-tracking branch 'origin/3.0' into 3.0
[Opera] Exclude help