NoMethod error after filtering list of users
Better look of user lists
Add barcode to user model
Confirm user participation in lecture
Fix footer
Merge branch 'participation-confirmation' into develop
Merge branch 'sptq-develop' into develop

Conflicts:
	app/views/users/index.html.erb
Merge pull request #66 from vircung/develop

Barcodes and participation confirmation
Add search engine and fix styles
Add group controller
Add SIW
remove school options
js fix
js fix
Fix texts on page
Change one label
Menu modification
Fix for LWIT
Add devise gem permision
email and profile fix