add nonzero methods to support existing code
pep8
Merge pull request #300 from dimagi/user-status1

add nonzero methods to support existing code
rename
Merge branch 'user-status' of github.com:dimagi/commcare-hq into user-status
fix issues with linking to reports
Merge branch 'user-status' into s-hist
Merge branch 's-hist' into staging2