Merge pull request #643 from wenottingham/whitespace-the-final-frontier

Fix extra whitespace in callback URL.

awx/ui/client/src/templates/job_templates/edit-job-template/job-template-edit.controller.js

@@ -508,8 +508,7 @@ export default
 `Host callbacks are enabled for this template. The callback URL is:
 <p style=\"padding: 10px 0;\">
     <strong>
-        ${$scope.callback_server_path}
-        ${data.related.callback}
+        ${$scope.callback_server_path}${data.related.callback}
     </strong>
 </p>
 <p>The host configuration key is: