update trunk

git-svn-id: https://plugins.svn.wordpress.org/mp3-jplayer/trunk@893998 b8457f37-d9ea-0310-8a92-e5e31aec5664
update trunk readme and plugin header

git-svn-id: https://plugins.svn.wordpress.org/mp3-jplayer/trunk@893999 b8457f37-d9ea-0310-8a92-e5e31aec5664