refactor server_status.php
fix the code style
change the parameters
Merge branch 'master' of https://github.com/phpmyadmin/phpmyadmin into server_refactor2
Merge branch 'master' of https://github.com/phpmyadmin/phpmyadmin into server_refactor2
fix the long line
Merge branch 'master' of https://github.com/phpmyadmin/phpmyadmin into server_refactor2
Merge pull request #511 from xmujay/server_refactor2

refactor server_status.php : 1. move functions to libraries files 2. fix code style