User:
  submit ticket: account, phone, email, text, notify prefs
  view ticket
  change notify prefs

Admin:
  view ticket
  add note: is_public, etc.
  change notify prefs
  change account, phone, email on ticket
  change is_public on notes
  assign ticket to specific user



index:
  form to submit ticket
  type in ticket/auth# to show your ticket
  [list of tickets your browser knows about]
  [button to tell browser to forget tickets]

admin:
  log in first
  view [all/open] tickets
  click ticket to show

show:
  show notes, with date/author/etc
  form to add note
  change status to open/closed/etc

add:
  insert into notes ....
  redirect to show