Added generated concat js
Added disabled minifyCss for version IE < 9
Added checkbox enabled minify to admin panel
Refactoring code
Added cached source js for minify
Merge branch 'pre-2.2.1' into feature/minify-js-css

Conflicts:
	seotoaster_core/application/app/MagicSpaces/Concatcss/Concatcss.php
	seotoaster_core/application/forms/Config.php
	seotoaster_core/application/layouts/scripts/layout.phtml
	seotoaster_core/application/views/scripts/backend/config/config.phtml
Merge pull request #24 from seotoaster-team/feature/minify-js-css

Refactor minify JS/CSS resources