Added the option to not use a color for the boxes in the files list.  Minor style changes a bug cleanup

git-svn-id: https://plugins.svn.wordpress.org/simply-attached/trunk@850849 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added screenshots

git-svn-id: https://plugins.svn.wordpress.org/simply-attached/trunk@850851 b8457f37-d9ea-0310-8a92-e5e31aec5664