Fix bug#4013 AJAX request waiting until version info is retrieved

Signed-off-by: Atul Pratap Singh <atulpratapsingh05@gmail.com>
version info was being added multiple times

Signed-off-by: Atul Pratap Singh <atulpratapsingh05@gmail.com>
Merge branch 'QA_4_1' of github.com:phpmyadmin/phpmyadmin into QA_4_1