es.ini: drop alphabetizing
insert school performance data into mongodb
rename ocr-pdf.py to ocr_pdf.py
hs/ms.ini: update to new format
add create_csv.py
ocr_pdf.py: remove existing documents at start

It's quicker to drop all Elementary/Middle/High documents and add to a
blank slate than do any upsert magic.
add ability to dynamically calculate columns

Before, once the CSV was created, I'd have to go through and add a
"Corrected" and "Pct Change" column for every category.

Now these values are added from the start.
Add Makefile