* Refactored Avatar and AvatarOverlay (DRY) to have 'account' as prop.
Also removed animate attribute from compose navigation bar, which should
have never been there. Added test for avatar overlay.
* fix broken tests
* god dammit another bug in tests! travis please let this pass
* formatting in avatar overlay
The feature to pin column could hide the rightmost column, which is
specified with children property of ColumnsArea.
The user is likely to see the column when the property changed, so scroll
the area in such cases.
* 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
* fix(web_push_notification): Do not hard reload tab
* fix(web_push_notification_worker): Guard against null subscription
* refactor: Incorporate pull request feedback
* fix(dropdown_menu): Keyboard navigation
* fix(icon_button): Add aria-pressed attribute
* fix(privacy_dropdown): Make accessible
* fix(emoji_picker_dropdown): Make accessible
* fix(icon_button): Support tabIndex
* fix(actions_modal): Remove icon from tab order
* fix(dropdown_menu): Add role=group
* fix(setting_toggle): Toggle via space key
* fix(dropdown_menu): Remove redundant handling of Space key
* fix(emoji_picker_dropdown): Remove redundant Space key handling
* fix(privacy_dropdown): Remove redundant Space key handling
* fix(status): Switch to article and add aria-posinset, aria-setsize
* fix(status_list): Use role=feed and pass more ARIA props to Status
* chore(eslint): jsx-a11y/role-supports-aria-props
* fix(dropdown_menu): Open as modal on mobile
* fix(dropdown_menu): Open modal on touch
* fix(dropdown_menu): Show status
* fix(dropdown_menu): Max dimensions and reduce padding
* chore(dropdown_menu): Test new functionality
* refactor: Use DropdownMenuContainer instead of DropdownMenu
* feat(privacy_dropdown): Open as modal on touch devices
* feat(modal_root): Do not load actions-modal async
* fix(column_header): Invalid ARIA role
* fix(column): Remove hidden nodes from the DOM
* refactor(column_link): Remove unused property hideOnMobile
* fix(column_header): Use aria-pressed
* fix(column_header): Make collapsed content not focusable, add focusable property
* fix(column_loading): Make header non-focusable
* fix(column_settings): Use role to group the toggles
