added status field to CafedraStuff, Parent
added two new statuses
delete wisdom.rp - eto byl file prototipa interfeisa, ne nujen
added base.html template, and base.css
added urls for Main
implemented login
added models StudentStatus, TutorStatus, StuffStatus and their objects
added roles objects
Merge branch 'login'
SiteUser.id_card can be null
login implementation edited for using Role table
login template some cosmetic fixes
name for ulrs
redirect to index when logged in
menu css: vertical align top
added profile block
menu edited
added catalog page
added breadcrumbs style
removed address field from cafedra(because building field)
internationalization config
translation files