halfway fixes
fix student controller and add show page
started tabs for staff show
Repair Data Output
Merge remote-tracking branch 'upstream/development'
Repair Error
Merge pull request #41 from rayguard/master

Repair Error
Merge branch 'development' of https://github.com/maxcobmara/ogma into development

Git Pull
update group by
Merge remote-tracking branch 'upstream/development'