Tweak plugin name. Add special offer box.

git-svn-id: https://plugins.svn.wordpress.org/newsme/trunk@894256 b8457f37-d9ea-0310-8a92-e5e31aec5664
Remove bullet point from special offer header.

git-svn-id: https://plugins.svn.wordpress.org/newsme/trunk@894257 b8457f37-d9ea-0310-8a92-e5e31aec5664