Merge branch 'feature-plan-new' into 'master'

AKDashboard/templates/AKDashboard/dashboard.html

AKModel/admin.py

AKModel/locale/de_DE/LC_MESSAGES/django.po

AKModel/migrations/0027_event_timezone.py

AKModel/models.py

AKPlan/locale/de_DE/LC_MESSAGES/django.po

AKPlan/static/AKPlan/fullcalendar/bootstrap/LICENSE.txt

AKPlan/static/AKPlan/fullcalendar/bootstrap/README.md

AKPlan/static/AKPlan/fullcalendar/bootstrap/main.css

AKPlan/static/AKPlan/fullcalendar/bootstrap/main.d.ts

AKPlan/static/AKPlan/fullcalendar/bootstrap/main.esm.js

AKPlan/static/AKPlan/fullcalendar/bootstrap/main.js

AKPlan/static/AKPlan/fullcalendar/bootstrap/main.min.css

AKPlan/static/AKPlan/fullcalendar/bootstrap/main.min.js

AKPlan/static/AKPlan/fullcalendar/bootstrap/package.json

AKPlan/static/AKPlan/fullcalendar/core/LICENSE.txt

AKPlan/static/AKPlan/fullcalendar/core/README.md

AKPlan/static/AKPlan/fullcalendar/core/locales-all.js

AKPlan/static/AKPlan/fullcalendar/core/locales-all.min.js

AKPlan/static/AKPlan/fullcalendar/core/locales/af.js