Merge pull request #155 from eric-wu/develop

Misc. user consent improvements
Adding versioning to the HealthData API and records
Merge pull request #158 from alxdarksage/versioning

Adding versioning to the HealthData API and records
Fixing tests
Merge pull request #159 from alxdarksage/versioning

Fixing tests
Update .travis.yml
Merge pull request #161 from eric-wu/develop

Backfill user consent