remove hardcode print.css location, let robots meta work for print_generate_profile(), update users table query for Drupal 4.7, and fix an error missing parameter to variable_get()

* Printer friendly profile pages. See INSTALL.txt for details.
* Renamed the node print template from print.tpl.php to print.node.tpl.php

  http://drupal.org/node/25458
with permission of the maintainer.

* Created a print.tpl.php template file to give site admins control of what node parts this module renders and how the pages are structured. This feature, combined with the custom print stylesheet option, gives max freedom in rendering print friendly pages.