Rename data keys zscore and schoolClimate
Merge remote-tracking branch 'origin/master' into coupling
add generated schools.json
fix culture/climate generator
Catches missing nc values
Merge branch 'coupling' of https://github.com/code-for-dc-edu/school-chooser into coupling
fix commute data output
Merge branch 'coupling' of https://github.com/code-for-dc-edu/school-chooser into coupling
Cleaning up unused files
fix graduation rate code
no NAs in output JSON
use PCSB data for mid-year withdrawal number
Merge branch 'coupling' of https://github.com/code-for-dc-edu/school-chooser into coupling
use 2013 MGP data
use generated updated  schools.json
Fixed old reference in mongoose schema
Fixes issue if <min results
Catches differently-formatted grades
flip climate value (make high = good)
schools.json fix