alfred: added more information to send, reformatted location

location is object with latitude and longitude
added:
* firmware
* autoupdater status
* hardware model
* primary mac address
* mesh IPv6 addresses
alfred: split up firmware info, include fastd version+status
alfred: improved readability
alfred: name -> hostname
Merge pull request #4 from FreifunkBremen/master

alfred: added more information to send, reformatted location