Merge branch 'master' into 267-add-export-functionality-to-absence-statistics-page

...nd/components/coursebook/absences/AbsenceCreationForm.vue

...nd/components/coursebook/absences/absenceCreation.graphql

aleksis/apps/alsijil/schema/__init__.py

...jil/templates/alsijil/print/partials/person_overview.html

...plates/alsijil/print/partials/register_abbreviations.html

...templates/alsijil/print/partials/register_coursebook.html

...ijil/templates/alsijil/print/partials/register_cover.html

...plates/alsijil/print/partials/register_members_table.html

.../print/partials/register_teachers_and_subjects_table.html

...s/alsijil/templates/alsijil/print/register_for_group.html