Add git fetch -t to pre_update.
re-enabling newsletter signup
prevents us from having to `target="_blank"` outgoing links when a user clicks a link from within the Marketplace app
disable newsletter
use the correct method to rewrite the ratings cache after installing an app (bug 889670)
re-enabling newsletter on -dev
Update messages.po
Merge pull request #211 from markh-bz/patch-1

Update messages.po