Rename AdminLog to StaffActionLog
add a way to delete posts and topics when deleting a user with UserDestroyer
Add BlockedEmail, to block signups based on email. Track stats of how many times each email address is blocked, and last time it was blocked. Move email validation out of User model and into EmailValidator. Signup form remembers which email addresses have failed and shows validation error on email field.
Add a way to add email to block list when nuking a user
Deleting a user from admin user page has the option to also block signups from the same email address
Add ip_address, email, and context to staff_action_logs table. Context should usually be the url from which the staff member performed the action, but could be any string that describes what the staff member was doing when the action was performed.
Add button to delete a spammer in the flag modal
Add SiteSettings: delete_user_max_age, delete_all_posts_max. Add delete spammer button to admin flags UI
Moderators can delete users too