* Added link regarding new sitemap format

git-svn-id: https://plugins.svn.wordpress.org/google-sitemap-generator/trunk@898212 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated Portuguese translation, thanks to Pedro Martinho

git-svn-id: https://plugins.svn.wordpress.org/google-sitemap-generator/trunk@898214 b8457f37-d9ea-0310-8a92-e5e31aec5664