* Model User has constants to check access for pages
* Some routes are moved to separate files (app/routes/api)
* New abstract model Container for complex objects like Discipline & Student (with -> access operator)
* New DeanOffice controller with access checks
* New SQL procedure to get info about students
* Profile page for students (/dean_office/students/127)

Reduced usages of UserInfo

время жизни сессии 60 секунд. после тестирования вернуть 900 секунд