Merge pull request #21 from dimagi/fida-performance

add new version of fida performance report (Case:48615)
add new modified version of case report for hsph-dev/betterbirth-pilot-2 (Case:50737)
Merge pull request #22 from dimagi/case-report

add new modified version of case report for hsph-dev/betterbirth-pilot-2...
merge master
fix sorting of some numeric columns