Merge branch 'new_features' into 'master'

AKDashboard/locale/de_DE/LC_MESSAGES/django.po

AKDashboard/static/AKDashboard/style.css

AKDashboard/templates/AKDashboard/dashboard.html

AKDashboard/urls.py

AKDashboard/views.py

AKModel/migrations/0026_akslot_updated.py

AKModel/models.py

AKModel/templatetags/tags_AKModel.py

AKPlanning/settings.py

AKSubmission/locale/de_DE/LC_MESSAGES/django.po

AKSubmission/templates/AKSubmission/ak_detail.html

AKSubmission/templates/AKSubmission/ak_edit.html

AKSubmission/templates/AKSubmission/ak_list.html

AKSubmission/templates/AKSubmission/ak_list_table.html

...mission/templates/AKSubmission/akowner_create_update.html

AKSubmission/templates/AKSubmission/akslot_add_update.html

AKSubmission/templates/AKSubmission/akslot_delete.html

AKSubmission/templates/AKSubmission/submission_base.html

...ission/templates/AKSubmission/submission_breadcrumbs.html

AKSubmission/templates/AKSubmission/submission_overview.html