Added tests for OpenWISPCitySDK synchronizer #178
Fixed missing GEOSException in nodeshot.core.nodes
Added tests for GeoJsonCitySdkTourism Synchronizer #178
Added tests for ProvinciaWIFICitySDK synchronizer #178
Renamed synchronizer CitySDKMixin in CitySdkTourism for consistency #178
Removed deprecation warning from Nodeshot synchronizer #178
Use BaseException instead of BaseException.message
Renamed synchronizer OpenWISP to OpenWisp for consistency #178
Renamed synchronizer OpenWISPCitySDK to OpenWispCitySdkTourism for consistency #178