bem/bem-bl — pull request #501 by alexbaumgertner (2014-04-23 20:39:56+00:00)
Title: Fix and refactor i-ua_interaction

Now data-interaction=keyboard is set only when one of `tab`, `enter`, `space`, `arrows`, `page up`, `page down`, `home`, `end` is pressed.
`Esc` key set `pointer` interaction attribute.