Upgrade GIS visualization page

Signed-off-by: Madhura Jayaratne <madhura.cj@gmail.com>
Make pma_quick_warp a class

Signed-off-by: Madhura Jayaratne <madhura.cj@gmail.com>
Update tests. Add meaningful values

Signed-off-by: Madhura Jayaratne <madhura.cj@gmail.com>
Merge branch 'master' of github.com:phpmyadmin/phpmyadmin