Change config to Python

- Change Configuration format to be python-based.
- move config logic to frappy/config.py
- Add first py-config: cryo_cfg.py
- Adapt test to new expected config format

Change-Id: Iaec484e0e1e21ebbb1e5c74b53be6231329ddf71

frappy/protocol/dispatcher.py

@@ -63,7 +63,7 @@ def make_update(modulename, pobj):
 class Dispatcher:
     def __init__(self, name, logger, options, srv):
         # to avoid errors, we want to eat all options here
-        self.equipment_id = options.pop('id', name)
+        self.equipment_id = options.pop('equipment_id', name)
         # time interval for omitting updates of unchanged values
         self.omit_unchanged_within = options.pop('omit_unchanged_within', 0.1)
         self.nodeprops = {}