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
Fixed empty events object
Merge pull request #55 from Coenego/subscribe-series

Hooked up with subscribe endpoints