Update I18N patch under awx/ui to reflect pull request #3363

- Get rid of html tags and codes in translatable strings
- Replace i18n.format with i18n.sprintf to treat multiple %s
- Add translatable strings for login failures and "SIGN IN".
- Rename ansible-tower.pot to ansible-tower-ui.pot for backend pot

Signed-off-by: Takao Fujiwara <tfujiwar@redhat.com>

awx/ui/grunt-tasks/nggettext_extract.js

@@ -4,8 +4,8 @@ module.exports = {
             markerNames: ['_', 'N_']
         },
         files: {
-            'po/ansible-tower.pot': ['client/src/**/*.js',
-                                     'client/src/**/*.html']
+            'po/ansible-tower-ui.pot': ['client/src/**/*.js',
+                                        'client/src/**/*.html']
         }
     },
 };