Enable deferred_help in cli

This turns of implicit conversion of 'ccp <cmd> --help' to 'ccp help <cmd>'
to provide user with help on specific command instead of list of common
arguments.

Change-Id: Id8278b908d6e4c61fde71772a2c6e2c65104560b

fuel_ccp/cli.py

@@ -169,6 +169,7 @@ class CCPApp(app.App):
             description='Containerized Control Plane tool',
             version=fuel_ccp.__version__,
             command_manager=commandmanager.CommandManager('ccp.cli'),
+            deferred_help=True,
             **kwargs
         )
         self.config_file = None