Add a couple of classes to track the data in the db
Add some external_id's into the scraper based on a sha of the data.
Make a sync method that syncs the data from external service into our db
Make a method to sync the records.
Add a test for the named scope with_external_id on user.
make sure we have an external_id if we're syncing.
add a mailer for messages to send to the user on sync
Adjust the sync task.
A little cleanup
Merge pull request #1 from lets-chat/ken

Sync the mturk stuff into our DB