Test 4 work
Small modifications on both
Merge branch 'master' of https://github.com/mloudon/dimagi-data-platform-R
Merge branch 'master' of https://github.com/mloudon/dimagi-data-platform-R
Health sector domain selection
Merge branch 'master' of https://github.com/mloudon/dimagi-data-platform-R
Merge branch 'master' of https://github.com/mloudon/dimagi-data-platform-R
Completed tests 3 and 4. Still need to fix a few things with test 4.
Merge branch 'master' of https://github.com/rdayalu/dimagi-data-platform-R
General changes

Merge branch 'master' of https://github.com/mloudon/dimagi-data-platform-R

Conflicts:
	raw_data/data_import.R
Clarified comments
Removed the loading of plyr library
Merge branch 'master' of https://github.com/dimagi/dimagi-data-platform-R