Email migrations
A lot of email changes

- Tests breaking
Fixed a lot of code
Fix more tests
Fixed the rest of the tests
Add email controller
Basics of new email address settings form ready
Rename Email -> EmailsController
Fixed a conflict in kassi.js
Merge branch 'features/emails' of https://github.com/sharetribe/sharetribe into features/emails
UI for adding and removing multiple emails to/from user ready
EmailsController#destroy
Add cucumber tests delete mail
Email tests
Merge branch 'develop' into features/emails
Deleting email takes into account pending status
Email settings translations
Remove height from email row

- In some languages the "resend" button might go to second line and
  disapper
Add missing translation "Send notifications"
Fix error bubble positioning