dynamic year in copyright statement

hardcoded per request hpdl
Merge branch 'master' of git://github.com/osCommerce/oscommerce2
Initial check-in of version upgrade checker
Initial check-in of version upgrade checker
Move upgrade results to dedicated page and add link into the tools box
Store result in cache file so that index module can let admin know a new version is available
Move upgrade results to dedicated page and add link into the tools box
Store result in cache file so that index module can let admin know a new version is available
set session.use_only_cookies to match SESSION_FORCE_COOKIE_USE
Merge branch 'master' of git://github.com/osCommerce/oscommerce2
Update Version Check feature
rename update_check.php to version_check.php
Update version to v2.2; introduce new tep_get_version() function to replace PROJECT_VERSION
change text to Version Checker
Move html layout to template_top.php/template_bottom.php; introduce dynamic per-file header tags modules

Squashed commit of the following:

commit 729517bd44bcc11d4d2f7734b315357cfe798b05
Author: Harald Ponce de Leon <hpdl@oscommerce.com>
Date:   Fri Mar 5 16:14:00 2010 +0100

    sanitize title

commit 1d8110f65786c95af5522d7167bacea804ed33ab
Author: Harald Ponce de Leon <hpdl@oscommerce.com>
Date:   Fri Mar 5 14:44:46 2010 +0100

    new modular header tags feature integrated into template structure

commit a6fa7094cc8734c66b33fc2ce143baa853d61243
Author: Harald Ponce de Leon <hpdl@oscommerce.com>
Date:   Sun Feb 21 15:13:34 2010 +0100

    revert header.php and footer.php for compatibility reasons, introduce template_top.php and template_bottom.php to define the html layout

commit 4729ccaa57c26bc161d046540c8dd23aff2e413e
Author: Harald Ponce de Leon <hpdl@oscommerce.com>
Date:   Sun Feb 21 01:05:11 2010 +0100

    move html layout to header.php and footer.php
Add support for dynamic checkout image buttons (for PayPal campaigns); Update API to 60.0; Allow 0.00/free shipping for Instant Update
Send debug email for invalid transactions; add useraction=commit to have PayPal show "Pay Now" on their confirmation page (instead of "Continue"); unset $ppe_token when the customer cancels the order at PayPal and returns to the store
add global scope
Fix syntax
Add path to cookie settings