Merge branch 'master' of https://github.com/phpmyadmin/phpmyadmin into serverview_refactor
Merge branch 'master' of https://github.com/phpmyadmin/phpmyadmin into serverview_refactor
Merge branch 'master' of https://github.com/phpmyadmin/phpmyadmin into serverview_refactor
UTs for PMA_server_status_advisor
fix undefined error
Merge pull request #506 from xmujay/serverview_refactor

UTs for PMA_server_status_advisor