* Posts now have an is_banned flag for artist removal requests. Basic users can not view banned posts but gold and higher can.
* Banning an artist both deletes the post and bans it.
* By default deleted posts are not filtered out of post searches at the sql level.
that hash is bcrypted. Bcrypted hashes are stored in a new column on
users. This separate column is only to allow for rollbacks,
eventually the old SHA1 hash column will be removed. Sensitive cookie
details are now encrypted to prevent user tampering and more stringent
checks on secret_token and session_secret_key are enforced.
