Update formidable icon

git-svn-id: https://plugins.svn.wordpress.org/formidable/trunk@817705 b8457f37-d9ea-0310-8a92-e5e31aec5664
3.8 font icons

git-svn-id: https://plugins.svn.wordpress.org/formidable/trunk@817707 b8457f37-d9ea-0310-8a92-e5e31aec5664