Add missing ws seperator between words

This is to add missing ws seperator between words, usually
in log messages.

Change-Id: If9d6744fec660cbef600794ab12d45b23aeeb550

heat/engine/notification/__init__.py

@@ -23,7 +23,7 @@ ERROR = 'ERROR'
 notifier_opts = [
     cfg.StrOpt('default_notification_level',
                default=INFO,
-               help=_('Default notification level for outgoing'
+               help=_('Default notification level for outgoing '
                       'notifications.')),
     cfg.StrOpt('default_publisher_id',
                help=_('Default publisher_id for outgoing notifications.')),

heat/engine/resources/openstack/heat/software_deployment.py

@@ -384,7 +384,7 @@ class SoftwareDeployment(signal_responder.SignalResponder):
                                   'values'))
                 yield swc_io.InputConfig(
                     name=self.DEPLOY_SIGNAL_VERB, value='POST',
-                    description=_('HTTP verb to use for signaling output'
+                    description=_('HTTP verb to use for signaling output '
                                   'values'))
 
             elif self._signal_transport_temp_url():
@@ -395,7 +395,7 @@ class SoftwareDeployment(signal_responder.SignalResponder):
                                   'values'))
                 yield swc_io.InputConfig(
                     name=self.DEPLOY_SIGNAL_VERB, value='PUT',
-                    description=_('HTTP verb to use for signaling output'
+                    description=_('HTTP verb to use for signaling output '
                                   'values'))
 
             elif (self._signal_transport_heat() or