Replaced tabs with spaces.
Added mailer which sends an email when a new answer is created.

Set the following variables before starting your server:

export MAIL_USERNAME="sender@account.com"
export MAIL_PASSWORD="..."
export MAIL_ADDRESS="smtp.gmail.com"
export MAIL_RECIPIENT="recipient@account.com"
Merge branch 'master' of github.com:thorstenschmid/happiness