modify active_admin.js to coffee & rm flash with 1 click
add nokogiri; create CATS-parser; modify model Image
Merge branch 'Try_nokogiri' into Try_active_admin
research active_admin: index page sortable [associated object (1 to 1 relation) SUCCESS, (1 to many) FAIL; formtastic forms; AA index actions; change images category (move image with all size-versions to other directory on server)]