* Add option to disable two factor auth in admin accounts panel.
Closes #2578

* Add @mjankowski's suggestions.
* Moves destroy actions behind User#disable_two_factor!
* Adds spec coverage for Admin:TwoFactorAuthenticationsController and User#disable_two_factor!

* Add render_views in more places

* Delegate methods from account to user with allow nil true, so that admin accounts show view renders when missing a user

* Use actual account instances in authorize follow controller spec

* Shows confirmed status in list.

* Adds ability to confirm users in admin UI.

* Added new english translations.

* Addresses feedback from #2245.

* More feedback.

* Add a ReportFilter class

* Add reports and targeted_reports relationships to Account

* Use ReportFilter from admin/reports controller

* Link to admin/reports filtered views from admin account show view

* Add indexes to reports.account_id and reports.target_account_id

* Translate the domain_block panel

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

* Translate PubSubHubbub section

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

* translate account section and correct typos

* move reports translation & translate sidebar

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

* normalize l18n

* Remove unused account_params method in admin/accounts controller

* Introduce AccountFilter to find accounts

* Use AccountFilter in admin/accounts controller

* Use more restful routes admin silence and suspension area

* Add admin/silences and admin/suspensions controllers