#3

- added loading animation for graph
#3

- added several js and css libs for flip switch and slider
- completed overview democase
#3

- added missing libraries
Merge branch 'master' into YAFF-6

Conflicts:
	config/Routing.php
	config/ServiceProvider.php
#6

- refactored FHEMService and FHEMServiceController
- implemented function to fetch information for single device
- added timeout to requests
- added status code to responses
Merge branch 'YAFF-6' into YAFF-3
#6

- added new route for fetching single value for a device
- fixed timestamp format
Merge branch 'YAFF-6' into YAFF-3
#3

- democase weather value now gets updated