Add ModerationMailer for automatic e-mails sent to users and representatives when questions and answers are approved.
Add specs for moderation_mailer
Add correct e-mail templates
Add controller actions for sending emails for question/answer approval
Add send-email buttons to edit question page
Add email_event class and make questions email_event_associable
Make ModerationMailer add EmailEvents to question, and list those events on question edit page
Remove obsolete comment
Change sporsmalsvar email addresses.
Add magic comment
Make email_event belongs_to polymorphic email_eventable instead of has_many. Change name from email_event_associable to email_eventable.
Email subjects
Merge pull request #564 from holderdeord/moderation_emails

Moderation emails closes #558.