Add rel noopener noreferrer to target blank

Hi
You should add rel=”noopener noreferrer” to

google-language-translator/google-language-translator.php

• row 1266, link: https://developers.google.com/translate/v2/attribution
• row 1445, link: http://www.wp-studio.net/

To improve performance and prevent security vulnerabilities.
Read more about it here