add fixtures, templates, views
add 'create/edit/delete' for groups/students
add registration (username/password)
fixed templates
fixed views
add middleware
Merge github.com:semargal/db-management into dev
Updated django version
Added email backend
Added email backend
Added middleware
Added inline students to admin
Added context processor
Added templatetag
Conflict
Fixed middleware conflict
Added change log
Added django command
Added test
Fixed code style