Refactor
Refactor
Use UTF-8
Add putConsentSignature()
Add getConsentSignature()
Check and disallow creating a second account with the same email address
Add test
Remove signature only after consent has been withdrawn
Further isolation of Stormpath SDK and cleanup
Removing an unnecessary step from admin service
Fix test failure
Fixing an NPE when cleaning up some test studies
Add test
Enforce study age limits at time of consent
Cleanup
Adding age limit test
Fix a test failure that consent signature is not cleared
Merge pull request #374 from DwayneJengSage/develop

consent signature image, sent via email
Changes per code review
Clean up