This reduces chances of errors where consumers of strings mutate inputs and reduces memory usage of the app. Test suite passes now, but there may be some stuff left, so we will run a few sites on a branch prior to merging
* FIX: allow an admin to click on blank errors * i18nlize strings * what would a rails master do?
FEATURE: new incoming_email model FEATURE: infinite scrolling in emails admin FEATURE: new 'emails:import' rake task