change services.mcord.models to services.vbbu.models && add mcordservice.py

Change-Id: Iff1f85a37b783201a62975b06356f34403ab7e0b
diff --git a/xos/tosca/resources/vbbucomponent.py b/xos/tosca/resources/vbbucomponent.py
index ee60d0c..7a61677 100644
--- a/xos/tosca/resources/vbbucomponent.py
+++ b/xos/tosca/resources/vbbucomponent.py
@@ -6,7 +6,7 @@
 from translator.toscalib.tosca_template import ToscaTemplate
 import pdb
 
-from services.mcord.models import VBBUComponent, MCORDService
+from services.vbbu.models import VBBUComponent, MCORDService
 
 from xosresource import XOSResource