mozilla/kuma — pull request #2607 by groovecoder (2014-07-31 15:57:25+00:00)
Title: fix bug 775485 - welcome email tweaks

Couple of updates to welcome emails:
* Add more GA tracking and update 'utm_source' to 'developer.mozilla.org' so we show up correctly as a source in GA for other Mozilla properties like wiki.mozilla.org
* Update the `From:` email address to "welcome" instead of "notifications"