Добавлена мета-информация для статей

BEM-1027 - Added meta-info for all articles
New authors are added
Avatars was added for all authors
BEM-1225 Categories for articles
Removed authors info form the content
Metainfo: added "translators" type
Metinfo: change into tools structure (BEM-1302)
Update link to "online shop web page"
BEM-1379 Move article from http://habrahabr.ru/post/162385/
Update link to "cute BEM image"
remove deps-js-syntax posts appearance