* Replace accessible-by-keyboard

* Replace messed up inplace styles with work-package-comment bem block

The styles are not used anymore except for work package comments anyway

* Replace split view icons with buttons

* Make back-button its own bem block

* Replace button in hide-section component

* Replace activity buttons

* Replace notification icon

* Replace collapsible-section

* Replace config-menu

* Make attribute help text trigger a button

* Ensure all buttons are role=button

* Replace inplace save controls

* Replace relations buttons

* Replace relation toggle button

* Replace relation row buttons

* Replace breadcrumb parent

* Replace activities toggler

* Remove accessible-by-keyboard component

* Fix button role to button type

* Fix indent

* Bemmify media query

* Fix specs