adding display to plugins and start moving debug to display

lib/ansible/plugins/cache/base.py

@@ -22,9 +22,17 @@ from abc import ABCMeta, abstractmethod
 
 from six import with_metaclass
 
+try:
+    from __main__ import display
+except ImportError:
+    from ansible.utils.display import Display
+    display = Display()
+
 
 class BaseCacheModule(with_metaclass(ABCMeta, object)):
 
+    display = display
+
     @abstractmethod
     def get(self, key):
         pass