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/webpack.config.js

@@ -39,6 +39,7 @@ var vendorPkgs = [
     'ng-toast',
     'nvd3',
     'select2',
+    'sprintf-js',
     'reconnectingwebsocket'
 ];