TryGhost/Ghost — pull request #3629 by shindakun (2014-08-06 15:21:11+00:00)
Title: Transition to signin with error message on invalid token not 500 error

closes #3548
- Add error to hidenav, removes menubar from error screen.
- Wrap atob() in a try/catch
- Added regex to try and validate if params.token at least looks like base64