Added skeleton MOH711
More refactoring of the MOH731 to extract common cohort libraries for ART, PwP and TB
Cleaned up TB calculations
* Fixed code formatting
* Removed code from "Needs Sputum" calculation that was storing reason as a class variable
Added common cohort for patients enrolling via different entry points. Updated skeleton MOH711 to use correct enrollment cohort
Merge remote-tracking branch 'upstream/master'