Releasing 1.0.4

git-svn-id: https://plugins.svn.wordpress.org/addthis-trending-content/trunk@856412 b8457f37-d9ea-0310-8a92-e5e31aec5664
Minor updates

git-svn-id: https://plugins.svn.wordpress.org/addthis-trending-content/trunk@857129 b8457f37-d9ea-0310-8a92-e5e31aec5664