Remove the study consent backfill. For the user consent backfill, step 2 -- write to old and new, read from new.
Merge remote-tracking branch 'base/develop' into develop
Add back default study consent to for the tests.
Formatting changes.
Minor clean up.
Fix test clean up.
Fix again test failures.
Merge pull request #182 from eric-wu/develop

User consent backfill, write to old and new, read from new.