knotsoftware/dems-service — pull request #25 by hdjonelynas (2014-09-22 12:39:13+00:00)
Title: Prevent patient out of fence email spam.

Only emails the carer once when the patient crosses the fence, rather than every location post outside the fence. A patient entering a fence again will reset this, meaning the carer will be notified by email if the patient crosses the fence again.