fix bad references in management commands

these have been broken since
commcare-hq/ff2a57da193df2f2c71ab2c86f68520eb8242759
Merge pull request #65 from dimagi/cz

fix bad references in management commands
new management command to fix mvp indicators in xforms from aug to october
Merge pull request #66 from dimagi/mvp-fix

new management command to fix mvp indicators in xforms from aug to oct
Merge branch 'master' of github.com:dimagi/mvp-reports
Add pampaida fever value