add menu accardion
add .js-totop
Merge branch 'forJs' of https://github.com/burkouski/loftschool2 into forJs

Conflicts:
	app/js/main.js
add tootgle grid js
remove b-ctrl
Merge branch 'forJs'

Conflicts:
	app/css/blocks.css
	app/index.html
fix b-toogle-class hover and .b-product_grid margin
Merge branch 'master' into gh-pages