show link to cabinet if zivf present
list correspondence entrants
update carousel
fix calculate contest makr
Update tusur_header and fix error pages
cast mark to integer
sticky footer
change payments
disable payments
hide carousel
disabled links to cabinet
show social likes only in productions
fixed behavior link with disabled class
added support for two level menu
added styles for text
added float styles
hover links
added some styles
added clone educations task
add bins to git