Security hardening, 5 of 5 - props to Chris Cross for initial discovery.  2-4 were done previously.  Only changing wpsc-user_log_functions.php, instead of wpsc-user-log.php, as sites modding that won't get the security upgrade.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1407 7bdd534d-2f5a-8b57-a18c-7e4837153298
Temporarily revert r1404.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1409 7bdd534d-2f5a-8b57-a18c-7e4837153298
Properly address security issue 1 of 5.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1410 7bdd534d-2f5a-8b57-a18c-7e4837153298
Temporarily revert r1405

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1411 7bdd534d-2f5a-8b57-a18c-7e4837153298
Properly address security issue 2 of 5.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1412 7bdd534d-2f5a-8b57-a18c-7e4837153298
Remove duplicate insert() call.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1423 7bdd534d-2f5a-8b57-a18c-7e4837153298
Revert "Remove duplicate insert() call." My bad, it was not an issue.

This reverts commit cce621984406d58095500a4d4e03be61837aee1b.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1425 7bdd534d-2f5a-8b57-a18c-7e4837153298
Fixed missing bracket in admin general tab page.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1427 7bdd534d-2f5a-8b57-a18c-7e4837153298
Crap.  Fixes user_profile page issue.  Problem is our processing function runs on page load, not only on submit...hence we all missed the nonce validation issue mentioned on the blog.  This is fully tested and fixes the problem.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1428 7bdd534d-2f5a-8b57-a18c-7e4837153298
Double <p> tag with wpec_taxes_display_tax_bands() on product edit page. Fixes issue 781

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1435 7bdd534d-2f5a-8b57-a18c-7e4837153298
Fixes issue where Tracking ID doesn't save.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1436 7bdd534d-2f5a-8b57-a18c-7e4837153298
Fixes Issue 861.  Props Lee Willis.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1437 7bdd534d-2f5a-8b57-a18c-7e4837153298
Fixes issue 866.  Props Lee Willis for initial patch.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1439 7bdd534d-2f5a-8b57-a18c-7e4837153298
Fix: Tax cannot be disabled or enabled.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1443 7bdd534d-2f5a-8b57-a18c-7e4837153298
Fix: Using discount causes Paypal Express to calculate wrong total amount.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1444 7bdd534d-2f5a-8b57-a18c-7e4837153298
Fix: Notices in misc.functions.php.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1445 7bdd534d-2f5a-8b57-a18c-7e4837153298
Fix: Use ->add_help_tab() to support WP 3.3 admin screen API.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1446 7bdd534d-2f5a-8b57-a18c-7e4837153298
Fixes Issue 868 in 3.8

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1448 7bdd534d-2f5a-8b57-a18c-7e4837153298
Fixes poor sanitization introduced in r1344.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1450 7bdd534d-2f5a-8b57-a18c-7e4837153298
Fixes poor sanitization introduced in r1346.

git-svn-id: https://wp-e-commerce.googlecode.com/svn/branches/3.8@1452 7bdd534d-2f5a-8b57-a18c-7e4837153298