Add "confirm" to "red" buttons.
Merge branch 'master' into develop

* master: (30 commits)
  undo order - come up with better plan
  order event and speaker list newest first
  make event title clickable to event itself
  replace minitest with test-unit
  remove minitest - it's out of date
  update changelog
  add changelog access
  add changelog to use from now on
  Rewrite the 'confirm and do this and that' paragraph, added request to edit abstracts down to fit the program blurps.
  remove spurious space in <% =
  make mailers resistant to nil conference (test problem)
  also list changes in object when notifying updates
  switch to new rvm config files
  fix deploy script, details bloody details
  turn off offending tests - look at them later
  add colored to puts ansi colors to term, add test run to capistrano
  Update emails.en.yml
  Update emails.en.yml
  rating legends all over\!\!\!
  add rating hint button that pops up a text. crude but works
  ...
Text as per https://redmine.ifcat.org/issues/701
Merge branch 'develop'

* develop:
  Text as per https://redmine.ifcat.org/issues/701
  Add "confirm" to "red" buttons.