* Add appeals
* Add ability to reject appeals and ability to browse pending appeals in admin UI
* Add strikes to account page in settings
* Various fixes and improvements
- Add separate notification setting for appeals, separate from reports
- Fix style of links in report/strike header
- Change approving an appeal to not restore statuses (due to federation complexities)
- Change style of successfully appealed strikes on account settings page
- Change account settings page to only show unappealed or recently appealed strikes
* Change appealed_at to overruled_at
* Fix missing method error
