Fixed dynamic loading of notifications, tasks and service. My last implementation was wrong and ugly. Now it seems to be the pythonic way.

linspector/services/fritzboxuplink.py

@@ -26,6 +26,10 @@ from logging import getLogger
 logger = getLogger('linspector')
 
 
+def get(configuration, environment):
+    return FritzboxUplinkService(configuration, environment)
+
+
 # TODO: check for all required configuration options and set defaults if needed.
 class FritzboxUplinkService: