refactored configuration managers and options into a single class, now the models that can be configured will deal with and handle configurations for nodes themselves

daemon/core/emane/rfpipe.py

@@ -9,6 +9,7 @@ from core.emane import emanemodel
 class EmaneRfPipeModel(emanemodel.EmaneModel):
     # model name
     name = "emane_rfpipe"
+    configuration_maps = {}
 
     # mac configuration
     mac_library = "rfpipemaclayer"