Filtering data criteria elements (transfers and negations) in patient builder

**Stories:**
- https://www.pivotaltracker.com/story/show/62352994
- https://www.pivotaltracker.com/story/show/60955048

I know that a small change might not warrant a pull request, but I want to ensure that I am modifying the patient builder in an acceptable way, given that I have not played around with data criteria before, etc.