fix UT error and add UT for PMA_server_privileges
Merge pull request #579 from xmujay/fixUT

fix UT error and add UT for PMA_server_privileges
Merge pull request #580 from adamgsoc2013/ut_plu_dbi

fix code Static Analysis Warnings
Directly use the post parameter
Use pack instead of manual conversion using evil eval
Better loading message
Update po files
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refactor case for schema
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Merge branch 'master' of https://github.com/phpmyadmin/phpmyadmin into ut_plu_dbi