references #57
update devise (again!)
fixes #59. fixes lynndylanhurley/ng-token-auth#59
Use resource_class to override email confirmation.
Add better guidelines for contributors.
Merge pull request #67 from YACFirm/better-guidelines-for-contributors

Add better guidelines for contributors.
Merge pull request #64 from YACFirm/use-resource-class-to-override-email-confirmation

Use resource_class to override email confirmation.