Bug fix: #author# template tag, media bug, use display URL in Twitter widget

git-svn-id: https://plugins.svn.wordpress.org/wp-to-twitter/trunk@984547 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update stable tag; bug fixes, display URL usage in WPT widget

git-svn-id: https://plugins.svn.wordpress.org/wp-to-twitter/trunk@984552 b8457f37-d9ea-0310-8a92-e5e31aec5664