1.2.6 + screenshot & readme

git-svn-id: https://plugins.svn.wordpress.org/add-posts-to-pages/trunk@841342 b8457f37-d9ea-0310-8a92-e5e31aec5664
1.2.6 readme fix

git-svn-id: https://plugins.svn.wordpress.org/add-posts-to-pages/trunk@841343 b8457f37-d9ea-0310-8a92-e5e31aec5664