ciudadanointeligente/write-it — pull request #144 by lfalvarez (2013-07-09 17:52:36+00:00)
Title: Handle bounces

Basic email bounces handling, it doesn't recognize if a bounce is soft or hard but it does if an email is a bounce, then it sets a contact to is_bounced.
It should do two things when a contact is set to bounced:
* Tell the owner of an instance that the contact bounced
* Stop trying to send messages to that contact

This pull request closes #138 but should open a new one