Password recovery page

User enters his email and submit.
A new password is generated and hashed.
User table entry for this user is updated.
Password is sent by email to the user.

![pwdrecov](https://cloud.githubusercontent.com/assets/3430891/5136784/6999ffc2-70fc-11e4-942f-bb8d2003bb60.PNG)


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Why not just `this.redirect.bind(null, "register")`?