release version 2.78.00


git-svn-id: https://plugins.svn.wordpress.org/embed-chessboard/trunk@784569 b8457f37-d9ea-0310-8a92-e5e31aec5664
release version 2.78


git-svn-id: https://plugins.svn.wordpress.org/embed-chessboard/trunk@784578 b8457f37-d9ea-0310-8a92-e5e31aec5664
release version 2.78


git-svn-id: https://plugins.svn.wordpress.org/embed-chessboard/trunk@784583 b8457f37-d9ea-0310-8a92-e5e31aec5664