undefined variables

On a fresh install of D7 and after following your direction on the project homepage, I receive these errors:

Notice: Undefined variable: doctype in include() (line 36 of /sites/all/themes/panels_960gs/templates/html.tpl.php).
Notice: Undefined variable: rdf in include() (line 37 of /sites/all/themes/panels_960gs/templates/html.tpl.php).
Notice: Trying to get property of non-object in include() (line 37 of /sites/all/themes/panels_960gs/templates/html.tpl.php).
Notice: Undefined variable: rdf in include() (line 37 of /sites/all/themes/panels_960gs/templates/html.tpl.php).
Notice: Trying to get property of non-object in include() (line 37 of /sites/all/themes/panels_960gs/templates/html.tpl.php).
Notice: Undefined variable: rdf in include() (line 38 of /sites/all/themes/panels_960gs/templates/html.tpl.php).
Notice: Trying to get property of non-object in include() (line 38 of /sites/all/themes/panels_960gs/templates/html.tpl.php).