Fixes to medications documentation Cat3 export via changes to the Cat1 patient importer

Squashed commit of the following:

commit b2738f59d7aedcf2aef1cc2397c39343ae75d48d
Author: David Rom <david.rom@kareo.com>
Date:   Wed Dec 18 20:44:59 2013 -0800

    Further changes to get medications documentation measure working

commit d918cd19fb2f5abc811490d7d9933d97adbae1c2
Author: David Rom <david.rom@kareo.com>
Date:   Wed Dec 18 17:18:09 2013 -0800

    Attempting to match expectations of the medical documentation measure map function