[HP02] Email page owners about out of date pages

-Implemented reminder mailer to email periodic reminders to users
-Implemented reminder handler to aggregate pages that have not been updated in
 a while and send out reminders to users who last updated those pages
-Appended send_reminders task (runs once a month) to cron tasks
[HP02] Email page owners about out of date pages

-Instead of checking whether a page was last updated before a specified date,
check whether the page was last updated on the specified day and month in
previous years
-Instead of sending monthly reminders, check whether to send reminders daily
.
Remvoing route to page comments
only code reformatting
cron task - notify active users of invalid profile data, when run on first day of an odd month
adding tests for checking user profile validity see commit #12fb78d
cron task - notify active users of invalid profile data, when run on first day of an odd month
Edited can can so that Edward Akoto can access manage users
Google was hitting this dead code and causing errors
Merge branch 'master' of github.com:professor/cmusv
Merge branch 'email-user-to-update-profile' of git://github.com/kaushikgopal/cmusv into kaushikgopal-email-user-to-update-profile
replaced with odd? method
Added any? back
Todd's modifications to Sion's code
Merge branch 'master' of https://github.com/professor/cmusv