Add the rss link (for exchanges articles)

git-svn-id: https://plugins.svn.wordpress.org/blogbuzztime-for-wp/trunk@994665 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update translations

git-svn-id: https://plugins.svn.wordpress.org/blogbuzztime-for-wp/trunk@994669 b8457f37-d9ea-0310-8a92-e5e31aec5664