Add focus to dropped criteria in patient builder

### Story ###
- https://www.pivotaltracker.com/story/show/72903948

### Notes ###
- after dropping a criteria in the patient builder, all open patient data criteria are closed, and then the newly dropped one is opened and focused on
- each patient data criteria has an SR-only button, located after the delete button, that allows an SR user to jump back to the corresponding dropdown of draggable patient data criteria
- patient builder spec for jasmine has been updated to use center points for desired criteria and destination target point (to resolve Travis failures)