added new languages in squirrly

git-svn-id: https://plugins.svn.wordpress.org/squirrly-seo/trunk@742559 b8457f37-d9ea-0310-8a92-e5e31aec5664
update changelog

git-svn-id: https://plugins.svn.wordpress.org/squirrly-seo/trunk@742560 b8457f37-d9ea-0310-8a92-e5e31aec5664