Final internationalization ready version, including dutch translation and .pot file.

git-svn-id: https://plugins.svn.wordpress.org/per-page-add-to/trunk@839870 b8457f37-d9ea-0310-8a92-e5e31aec5664
1.1 version now marked as stable.

git-svn-id: https://plugins.svn.wordpress.org/per-page-add-to/trunk@839871 b8457f37-d9ea-0310-8a92-e5e31aec5664