Fix builds that fail on Heroku.

* Re-add outline

* respect default of web browser

* i18n: update Persian translation

* i18n: fix quotes

URI.extract is too strong, not limited to URLs, matched real text.
Same issue was present in language detector.

* fix(media_modal): Keyboard navigation

* fix(column_back_button): Use native button

* fix(media_gallery): Keyboard navigation

* fix(status_content): Make CW content focusable

* Remove outline from focused toot

* change style

Empty a element is created when there is no business e-mail input.

* Set contact address as mailto link

To be able to copy long email address

* Set style for mailto link

* Use a fainted text color for <hr> elements in the landing page

* remove trailing whitespace

* fix(tabs_bar): Check if transition is necessary

* feat(tabs_bar): Only apply optimization for touch devices

* Fix autocomplete in two_factor.html.haml

* Fix autocomplete in registrations edit.html.haml

* Fix autocomplete in passwords edit.html.haml

* Fix autocomplete in _registration.html.haml

* Fix autocomplete in new.html.haml

* Fix autocomplete in show.html.haml

* Add autocomplete option to sessions new.html.haml

* Add autocomplete option to 2FA new.html.haml

* Add autocomplete option to 2FA show.html.haml

* fix(status_action_bar): Use aria-pressed for reblog and favourite button

* fix(column_back_button): Keyboard accessible

* fix(status_content): Make focusable and accessible

* fix(dropdown_menu): Use aria-expanded instead of aria-pressed

* fix(emoji_picker_dropdown): Use aria-expanded instead of aria-hidden

* feat(icon_button): Add aria-expanded

* fix(privacy_dropdown): Use aria-expanded instead of aria-hidden

* Count all URLs in text as 23 characters flat, do not count domain part of usernames

* Add new status text counting logic to web UI

* fix(modal_root): Read type from props, not from component

* fix(status_list): Do not user event.path

* fix(tabs_bar): Allow animation to end before navigating

* fix(tabs_bar): Do not use event.path

* Correction of misspellings

* Improve the OC version

* Improve of the OC version

* Improvement of OC version

* Fix protruded infomation board section

Set "flexwrap: wrap" for sections. Set upper and lower padding for each section, and adjust clearances around sections accordingly. Settings for viewport threshold 500px is no more needed.

* Fix mistake of reducing information-board padding

In according with this fix, additional padding setting  for maximum 840px width is no more needed.

* fix(status): Add tabIndex=0

* fix(status_list): Make keyboard navigable

Signed-off-by: Marcin Mikołajczak <me@m4sk.in>