Deliver notification info

Created by: stefanoborini

Notification system to communicate to the UI and other entities interested in notification.

force_bdss/mco/base_mco.py

 import abc
 
-from traits.api import ABCHasStrictTraits, Instance, Event, Dict
+from traits.api import ABCHasStrictTraits, Instance, Event
 
 from force_bdss.mco.events import BaseMCOEvent
 from .i_mco_factory import IMCOFactory