Fixed broken hard coded paths.

  example:
    profiles/petition -> profiles/petitions    (TODO remove hard-coded stuff here entirely)
    themes/petitions -> themes/fortyfour
    misc CSS path changes

 	modified:   templates/fortyfour-header.tpl.php
 	modified:   templates/fortyfour-mainnav.tpl.php
 	modified:   templates/fortyfour-subfooter.tpl.php
 	modified:   templates/html.tpl.php
 	modified:   templates/maintenance-page.tpl.php