Make only MySQL Required and other extensions optional
Make only MySQL Required and other extensions optional

Signed-off-by: Harald Ponce de Leon <e8c8c52193f3c6c1928a0b3a1709daa96876765a@oscommerce.com>

scottcwilson/oscommerce2,haraldpdl/oscommerce2,osCommerce/oscommerce2,scottcwilson/oscommerce2,ruden/oscommerce2,osc2nuke/oscommerce2,haraldpdl/oscommerce2,osc2nuke/oscommerce2,osCommerce/oscommerce2,ruden/oscommerce2