Hooked up with subscribe endpoints
- Refresh the calendar on subscribe/unsubscribe
- Added assertion description in tests
Follow-up on review

— Removed empty lines
- Added jsdocs
Changing event source instead of rerendering the events improves the performance
Merge branch 'master' into subscribe-series
Temporarily added the Fronteer subscribe branch for the tests
Merged with latest master
Merged with latest master
Fixed events bug
Added REST functionality for the groups API
Follow-up on review
Fixed empty events object
Merge pull request #55 from Coenego/subscribe-series

Hooked up with subscribe endpoints
Added back isObject validation
Merge pull request #64 from Coenego/groups-rest-api

Added REST functionality for the groups API
Initial rough implementation of app creation and updating through the UI
Add posibility to create tenants, update apps and create apps. Sorted tenants by displayName and apps by host