add languages.

git-svn-id: https://plugins.svn.wordpress.org/smart-editor/trunk@857020 b8457f37-d9ea-0310-8a92-e5e31aec5664
change readme.txt

git-svn-id: https://plugins.svn.wordpress.org/smart-editor/trunk@857033 b8457f37-d9ea-0310-8a92-e5e31aec5664
change "Tested up to"

git-svn-id: https://plugins.svn.wordpress.org/smart-editor/trunk@857035 b8457f37-d9ea-0310-8a92-e5e31aec5664