Use un-minified version of AngularJS
Added array intersection utility function.
Added toProperCase utility function to String prototype.
Added a comment.
Refactored Session Service
Updated routes to require a session.
Reconfigured Clinics service to use a constant list of the clinics.
Uppercased internal Patient class in the Patient service.
Added Patient.lookup function.
Use id rather than _id property.
Use the new currentSession injectable.
Updated lookup URL