recoveryEmail should call templates recoveryEmail

I was adding tests and coverage, and that pointed out this error. While	the
subject on the outgoing email was correct ('Reset your password'), as was the
link in the content (/complete_reset_password), the body text was about
signing up, not resetting a password. So, usable, but for some number of
users, it might be somewhat confusing.

I think we should consider picking this up in train-14 (before it goes live
Monday afternoon). /cc @ckolos, @ckarlof