Silenced warnings for IDs not specified by specifying them

Created by: stefanoborini

Specifies the ids for the plugins. Envisage requires them to be defined, or it will issue a warning that it is using a generated id. It is good practice that we do define them, so a new function has been introduced to create them.

force_bdss/ids.py

@@ -33,11 +33,13 @@ def bundle_id(producer, identifier):
 
 
 def mco_parameter_id(producer, identifier):
+    """Creates an ID for an MCO parameter, so that it can be identified
+    uniquely."""
     return _string_id("mco_parameter", producer, identifier)
 
 
 def plugin_id(producer, identifier):
-    """Creates an ID for the plugins. These must be defined, otherwise 
+    """Creates an ID for the plugins. These must be defined, otherwise
     the envisage system will complain (but not break)
     """
     return _string_id("plugin", producer, identifier)