Groups >---o---< Holidays
First form for holidays
Select check boxes
Little useful changes
begin render holidays on public view
Tmp
A little localication
Works with integer
integerelize lesson_numbers
Deal with groups
Group save
holiday on group in public view
fix method name
holidays for attendance
use holidays on iCal for group
use holidays for raspisanie-vizuv
use holidays for teacher on public
use holidays for teacher in iCal
Commit for merger