Quote network names in error messages

Signed-off-by: Aanand Prasad <[email protected]>

compose/network.py

@@ -44,11 +44,11 @@ class Network(object):
             data = self.inspect()
             if self.driver and data['Driver'] != self.driver:
                 raise ConfigurationError(
-                    'Network {} needs to be recreated - driver has changed'
+                    'Network "{}" needs to be recreated - driver has changed'
                     .format(self.full_name))
             if data['Options'] != (self.driver_opts or {}):
                 raise ConfigurationError(
-                    'Network {} needs to be recreated - options have changed'
+                    'Network "{}" needs to be recreated - options have changed'
                     .format(self.full_name))
         except NotFound:
             driver_name = 'the default driver'