reworked meanings / aliases

- add rotation_x to the list
- allow to configure items creating an alias without entry in envlist

devices.py

@@ -47,13 +47,24 @@ def suggest(poi, allowed_keys):
 
 
 class FrappyConfig(Device):
+    # respect the order: e.g. temperature_regulation must be after temperature
+    # and temperature_drivable must be the last in the temperature group
     parameters = {
         'temperature': Param(
-            'device name for sample temperature', type=anytype, default=['Ts', []]),
+            'config for sample temperature', type=anytype,
+            default={'alias': 'Ts'}),
         'temperature_regulation': Param(
-            'device name for temperature regulation', type=anytype, default=['Tr', []]),
+            'config for temperature regulation', type=anytype,
+            default={'alias': 'Tr'}),
+        'temperature_drivable': Param(
+            'config for drivable temperature', type=anytype,
+            default={'alias': 'T', 'envlist': False}),
         'magneticfield': Param(
-            'device name for magnetic field', type=anytype, default=['B', []]),
+            'config for magnetic field', type=anytype,
+            default={'alias': 'B'}),
+        'rotation_z': Param(
+            'config for sample rotation', type=anytype,
+            default={'alias': 'stickrot', 'envlist': False}),
         'nodes': Param(
             'list of names of potential SEC nodes', type=listof(str), default=[]),
     }