added icons for wp4.0

git-svn-id: https://plugins.svn.wordpress.org/column-matic/trunk@991774 b8457f37-d9ea-0310-8a92-e5e31aec5664
added icons for wp4.0

git-svn-id: https://plugins.svn.wordpress.org/column-matic/trunk@991778 b8457f37-d9ea-0310-8a92-e5e31aec5664