Merge branch 'master' into prepare-release-2.0

README.rst

...s/apps/alsijil/migrations/0013_fix_uniqueness_per_site.py

aleksis/apps/alsijil/models.py

aleksis/apps/alsijil/rules.py

aleksis/apps/alsijil/tables.py

...apps/alsijil/templates/alsijil/class_register/groups.html

...apps/alsijil/templates/alsijil/class_register/lesson.html

...apps/alsijil/templates/alsijil/class_register/person.html

...s/alsijil/templates/alsijil/class_register/week_view.html

aleksis/apps/alsijil/templates/alsijil/excuse_type/list.html

...s/alsijil/templates/alsijil/group_role/assigned_list.html

aleksis/apps/alsijil/templates/alsijil/group_role/list.html

...templates/alsijil/group_role/partials/assigned_roles.html

...lates/alsijil/group_role/partials/assignment_options.html

...sis/apps/alsijil/templates/alsijil/partials/absences.html

...lsijil/templates/alsijil/partials/persons_with_stats.html

.../apps/alsijil/templates/alsijil/partials/tardinesses.html