Merge pull request #175 from eric-wu/develop

Add more logging.
Merge pull request #176 from eric-wu/develop

Per study backfill.
Merge pull request #177 from eric-wu/develop

Fix the null range key when getting consent signature.
Merge pull request #178 from eric-wu/develop

Change routes for the consent APIs
Do not skip cleanup as we are now using a custom build pack that bundles the public folder
Update DynamoDB cleanup.
Minor fixes.
Merge branch 'js' of https://github.com/eric-wu/BridgePF into js