Update devDependencies in package.json #1131
Merge pull request #1179 from bem/issues/1131@v2

Update devDependencies in package.json #1131
::after => :after
icon: match tag instead of class name
icon: a11y attributes
image: a11y-attributes + content + examples
Merge pull request #1116 from bem/issues/1105@v2

icon, image: API improvement
new block: progressbar
progressbar corrections after review