Merge pull request #24 from osCommerce/master

Master Merge
Code clean
Code clean
Code clean
Code clean
Code clean
Clean $button string output
Fix typo
Code Clean
REmove double check get and post parameters
Remove extra space
Remove double check $_GET and $_POST variable
Remove double check $_GET and $_POST strings
Remove double check for $_GET and $_POST
Merge pull request #92 from osCommerce/master

MErge
Merge pull request #112 from osCommerce/master

Merge
Merge pull request #117 from acidvertigo/patch-21

Merge
Revert "Merge"
Merge pull request #118 from acidvertigo/revert-117-patch-21

Revert "Merge"
Add superglobals to admin