Tested up to 4.1

git-svn-id: https://plugins.svn.wordpress.org/reddit-button/trunk@1047961 b8457f37-d9ea-0310-8a92-e5e31aec5664
Add icon.

git-svn-id: https://plugins.svn.wordpress.org/reddit-button/trunk@1047963 b8457f37-d9ea-0310-8a92-e5e31aec5664