button: Add ability to set max width for text (close #528)
Merge pull request #530 from bem/issues/528@v2

button: Add ability to set max width for text
checkbox-group: make css (close #508)
Merge pull request #539 from bem/issues/508@v2

checkbox(-group), radio(-group): css, refactoring
checkbox: add CSS for _focused mod
button__text: custom match fixed
Merge pull request #543 from bem/issues/541@v2

checkbox: add CSS for _focused mod
Merge branch 'v2' into feature/gemini

Conflicts:
	common.blocks/button/button.tests/simple.bemjson.js