add UT for PMA_display_create_table
fix UT assertion
fix Undefined index: server
fix code style
Merge pull request #711 from xmujay/0919_refactor_display_table

add UT for PMA_display_create_table
wrap long lines
improve DocBlock
Document this is broken
Incorporate distro specific docs from website
Mention XAMMP as easy way to install on Windows
Add link to wiki