dimagi/casexml — pull request #224 by briandant (2014-05-27 21:07:09+00:00)
Title: Return 412 instead of 404 on bad sync.

@dannyroberts

FogBugz Issue: http://manage.dimagi.com/default.asp?111733#634104
Conversation: https://github.com/dimagi/commcare-hq/issues/3343