button: focus on click, refocus on click to itself
Fix menu-item bemhtml
Merge pull request #367 from bem/issues/366@v2

Fix menu-item bemhtml
add spec for refocus
add spec for focus on click
Merge pull request #368 from bem/issues/365@v2

button: focus on click, refocus on click to itself (close #365)
menu: refactoring (close #363)

  * get rid of `menu__group_has-title` modifier
  * menu-item_checked: use `background` instead of `::before`
menu-item: theme inherit (bh templates)
menu: TODOs + examples
menu: links must inherit `disabled` mod
Merge pull request #364 from bem/issues/363@v2

menu: refactoring (close #363)
button: separate `pressed` and `checked` mods (close #371)
button: get rid of `check`/`uncheck` events in favour of mod change events (close #357)
Merge pull request #372 from bem/issues/371@v2

button: remake `checked` mod
button: pressed && checked state (close #373)
Merge pull request #374 from bem/issues/373@v2

button: pressed && checked state (close #373)
default cursor for `disabled` state (close #375)
Merge pull request #378 from bem/issues/375@v2

default cursor for `disabled` state (close #375)
checkbox + radio: examples with icon (close #351)
Merge pull request #377 from bem/issues/351@v2

checkbox + radio: examples with icon (close #351)