Form zone_id fixes

Prevents XSS with zone_id and has additional form validation
Closes #56 product with options stock issue
Closes #58 disabled currency can still be used
Prevent direct access of template files

when root .htaccess.txt is not renamed/SEO URLs are not active.
country_id should of been zone_id in address
Attribute autocomplete $json declared twice
Prevent browsers caching install password
Closes #61 Add URL encoding to image resize
Closes #57 column FULLTEXT index error
OpenCart setup defaults to MySQLi if installed
Encoding of query strings in SEO URLs
Revert "OpenCart setup defaults to MySQLi if installed"

This reverts commit f42b3beabde28d92215a70760d015f5a38a87758.
Improved MySQLi integration in installer

mysql_* functions are expected to be removed in future PHP versions.
Installer will now work without them.
CKEditor 4.33 update
Fix for MySQLi DB driver on clean install
Revert "Encoding of query strings in SEO URLs"

This reverts commit 99ec61315d6c6a4542a1188e88bf48d72510b0ed.
Encoded query strings in SEO URLs
Use voucher limits in order editor

https://github.com/opencart/opencart/commit/f76166c7d997508b4232661f49b38a384ef9c7a9
Closes #62 specialchars in file manager
Fix voucher sorting in admin

http://forum.opencart.com/viewtopic.php?f=161&t=117286&start=20#p483438