TODO:

* Integrate CircuitBreaker around webservice calls to Google and OSM
* Google API key should be load from config
* Enable/disable OSM and google should be configurable
** Maybe able to switch runtime

* Create admin console page where you can
** Show statistics for current dataset
** Extract a list of adresses without coverage
** Trigger a rebuild
*** Show if a rebuild is running
*** Rebuild manager should make sure only 1 running job at a time