Add a text link below the EmbedPlus banner.

git-svn-id: https://plugins.svn.wordpress.org/broken-link-checker/trunk@973541 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version 1.9.4.2 and changelog.

git-svn-id: https://plugins.svn.wordpress.org/broken-link-checker/trunk@973542 b8457f37-d9ea-0310-8a92-e5e31aec5664