Remove methods for updating logs out of User
spec code added
Activity clearing properly
Move discussion feature added
refactor descriptions, add markdown buttons to discussion descriptions
add markdown to at mention emails, fixes #583
add html files with link for invite and member add emails
make whimful the email address of harry for heroku test
write rake task to at mention and trigger one email on test server
make email for multiple targets in rake
establish multiple emails and multiple targets successfully