[css] changed .pravy
[css] BC
added link to G-one
moved link "Bazar učebnic" to page bottom
edited G-ONE.TV link
added date_to to events
fixed attachment count
added attachment to events
event listing date fix
fixed food date
[admin] admin rewritten + added banners
[admin] added downloads
[admin] added documents
[admin] added alerts
SpecialPage:documents changed order to date_from DESC
changed style of head alerts
fixed getting current school year
added .idea to .gitignore (PhpStorm project)