Merge branch 'migration_path' into 'master'

aleksis/apps/alsijil/actions.py

aleksis/apps/alsijil/checks.py

aleksis/apps/alsijil/filters.py

aleksis/apps/alsijil/forms.py

aleksis/apps/alsijil/managers.py

aleksis/apps/alsijil/migrations/0001_initial.py

...igrations/0007_personal_note_lesson_documentation_year.py

aleksis/apps/alsijil/migrations/0009_group_roles.py

aleksis/apps/alsijil/migrations/0010_events_extra_lessons.py

aleksis/apps/alsijil/migrations/0024_check_new_models.py

aleksis/apps/alsijil/migrations/0025_remove_old_models.py

aleksis/apps/alsijil/model_extensions.py

aleksis/apps/alsijil/models.py

aleksis/apps/alsijil/preferences.py

aleksis/apps/alsijil/rules.py

aleksis/apps/alsijil/static/css/alsijil/alsijil.css

aleksis/apps/alsijil/static/css/alsijil/lesson.css

aleksis/apps/alsijil/static/css/alsijil/person.css

aleksis/apps/alsijil/static/css/alsijil/week_view.css

aleksis/apps/alsijil/static/js/alsijil/week_view.js