old file deleted.

git-svn-id: https://plugins.svn.wordpress.org/visual-editor-custom-buttons/trunk@964958 b8457f37-d9ea-0310-8a92-e5e31aec5664
new file added.

git-svn-id: https://plugins.svn.wordpress.org/visual-editor-custom-buttons/trunk@964960 b8457f37-d9ea-0310-8a92-e5e31aec5664
old file deleted.

git-svn-id: https://plugins.svn.wordpress.org/visual-editor-custom-buttons/trunk@964987 b8457f37-d9ea-0310-8a92-e5e31aec5664
small update of the readme file.

git-svn-id: https://plugins.svn.wordpress.org/visual-editor-custom-buttons/trunk@964989 b8457f37-d9ea-0310-8a92-e5e31aec5664