adding black-studio-tinymce-widget by marcochiesi

git-svn-id: http://plugins.svn.wordpress.org/black-studio-tinymce-widget/trunk@461414 b8457f37-d9ea-0310-8a92-e5e31aec5664
Merge branch 'master' of github.com:black-studio/black-studio-tinymce-widget