Returns all products for a user where the notification threshold has been met

Signed-off-by: Steven Magelowitz <steven.magelowitz@gmail.com>
Styled the notification email

Signed-off-by: Steven Magelowitz <steven.magelowitz@gmail.com>
Rake task now sends out notifications

Signed-off-by: Steven Magelowitz <steven.magelowitz@gmail.com>
Merged with master

Signed-off-by: Steven Magelowitz <steven.magelowitz@gmail.com>
Added output to rake task

Signed-off-by: Steven Magelowitz <steven.magelowitz@gmail.com>