* New message email
* Mentioned in a comment
* File backup email
* Feedback email
* Administrator logged in email
* Upcoming events email
* minor
* Add header title and indicator color
* DRY font-family declarations
* Add email.less, inline styles using premailer
* min-width 100% for mobile email clients
* Emails without header have default 100% width (like before)
* Include email.css for all apps
* Keep !important declarations
* Add test case for inlining css
* Ignore important rules in css
* minor