Renamed GenericCommand in EHMICommand (less ambiguous with the GenericCommandfrom the CoreHMI), should allow to access to ExtendedDevices or service in the same fashion as with CoreDevices
Added getOldValue to NotificationMsg (the corresponding fonctionnality may not be implemented for all devices)
simplifying CoreObjectBehaviour
Merge branch 'master' of https://github.com/appsgate2015/appsgate into test
ignore traces
If causality comes from EHMI it is inserted