Visual improvements to editor button.

git-svn-id: https://plugins.svn.wordpress.org/8tracks-shortcode/trunk@893374 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed post-meta widget logic to ignore draft posts.

git-svn-id: https://plugins.svn.wordpress.org/8tracks-shortcode/trunk@893375 b8457f37-d9ea-0310-8a92-e5e31aec5664