REPORTS-153 - added scheduled task for generating the pregnancy table
REPORTS-153 - added EDD calculations
REPORTS-153 - updated preggo queries to be faster
Merge branch 'master' of github.com:AMPATH/openmrs-module-amrsreports into REPORTS-153
REPORTS-153 - added due_date_source, modified updates per latest info from Vitalis
REPORTS-153 - added pregnancy task to the settings page
merging with upstream
Changing to use a single task for all table building
Merge branch 'master' of github.com:AMPATH/openmrs-module-amrsreports into REPORTS-153