main: added is_comomn_page() for checking that current page have no special states like: ajax, redirect, console, post
core js added special method jquery() for jquery on document reqdy code + ensure jquery itself was loaded
core css added add_asset() method
functions aliases changed jquery()
core js added asset jquery-cookie
core js bugfixed for assets
core css bugfixed for assets
added admin_side_area_toggler event listener
admin side area toggler up
js, css turn off chaining
admin side area toggler up