Quick fix for LWIT
Checkit literowki
Q fix
LectureGroup scaffold
Ability for LectureGroup
Add LectureGroups to toolbar
Fixed LectureGroup migrtion
LectureGroup UI fixes
LectureGroup logic
LectureGroup migration fix
Merge pull request #69 from vircung/lectures-group

Lectures groups
Confirm user participation fix
Change all texts from CheckIT to LDI
User List change segment type
Optimize users fetch query
Simplify users controller
Close registration for ztmTicket
Add filter view
Add js for barcode in filters view
Typos