delete fixture types (and their items) on upload before replacing them
Fix redirect to login for /a/<domain>/
Merge pull request #520 from kennknowles/case-51348-redirect

Fix redirect to login for /a/<domain>/
Merge branch 'master' into fixtures-upload
Ignore records with ill-formed dates in domain_activity
Merge pull request #521 from kennknowles/case-49231-str-format-error

Ignore records with ill-formed dates in domain_activity
have fixtures use a new CouchTransaction paradigm that notes changes and dones bulk operations once
fix previous commit
better error handling; adapt to a minor change in dimagi-utils
Merge pull request #522 from dimagi/fixtures-upload

Fixtures upload improvements