Fixed bug in WhoStageAtArtStartCalculation causing CalculationResult to be given a value for the WHO Stage obs even when NULL/UNKNOWN is saved in the database. See PT story: https://www.pivotaltracker.com/story/show/62142144
Fixed concept MCHMS concept-related issues. See PT story https://www.pivotaltracker.com/story/show/62147552
Merge branch 'master' of github.com:I-TECH/openmrs-module-kenyaemr

Merged with upstream.
Merge pull request #77 from gitahi86/master

Fixed CalculationResult Bug in WhoStageAtArtStartCalculation + Fixed Concepts