REPORTS-63 - reduced complexity of pregnancy rule to speed it up
REPORTS-63 - added null check for return observations
Merge pull request #47 from jlkeiper/REPORTS-63

REPORTS-63, part 1
REPORTS-96 - alphabetized ARV columns and updated with latest drug concept ids
REPORTS-96 - added reportDate to HIVCareEnrollment
REPORTS-96 - added methods to find all report dates
REPORTS-96 - added reportDate usage into table data generation and cohort counts page
Merge pull request #48 from jlkeiper/REPORTS-96

REPORTS-96 No. 3
merging REPORTS-94