Footer can now be choice between none, site or user-defined

With the new agreement between the major search engines, robots=nocache is obsolete
To make the job easier for themers, added access to the $node var inside the template
Fix #276627: Accept paths of the form node/nnn/args

Separate open in new window option
Make the title in the template be a heading 1.
Add aux var print['url']
Restore the print_fill_attributes function
Remove the greybox and thickbox selection
Add ability to specify customised classes to the PF links

* 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.

* Generate printer friendly pages for all node types.  Features include the ability to list $node->body URL references at the end of the page, custom print stylesheet and choosing which node elements to display.