Changed sidebar feedbox to "new on rationality blogs".
Simplified giving feedbox list of URLs.
Made email address mandatory.  User must enter code emailed to them to be able to comment or post.
Minor clean up.
Changing email address reprompts email verification.
Force a user who has no email to provide one to change their password.
Don't rely on stringification of tuple to create valid JS
Merge branch 'passwordmandate' of https://github.com/PotatoDumplings/lesswrong into require-email
Simplify random email verification code generator
Update register message now that email is required
Merge branch 'require-email'
Tell Yandex to tone it down a bit