commands must be specified explicitely

no more automatic definition by just declaring do_<command>

Change-Id: Ided91b5ae6fe657a6134f1cc14cc6484570a3646
Reviewed-on: https://forge.frm2.tum.de/review/18206
Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>

secop_mlz/entangle.py

@@ -173,6 +173,10 @@ class PyTangoDevice(Module):
                              ),
     }
 
+    commands = {
+        'reset': Command('Tango reset command', arguments=[], result=None),
+    }
+
     tango_status_mapping = {
         PyTango.DevState.ON:     Drivable.Status.IDLE,
         PyTango.DevState.ALARM:  Drivable.Status.WARN,
@@ -646,6 +650,10 @@ class Motor(Actuator):
                        ),
     }
 
+    commands = {
+        'reference': Command('Do a reference run', arguments=[], result=None),
+    }
+
     def read_refpos(self, maxage=0):
         return float(self._getProperty('refpos'))