is_archive is also forbidden.

git-svn-id: https://plugins.svn.wordpress.org/very-basic-content-restriction/trunk@784418 b8457f37-d9ea-0310-8a92-e5e31aec5664
tested on 3.6.1

git-svn-id: https://plugins.svn.wordpress.org/very-basic-content-restriction/trunk@784425 b8457f37-d9ea-0310-8a92-e5e31aec5664