Release 1.7.6, see readme.txt for changelog.

git-svn-id: https://plugins.svn.wordpress.org/related-posts-for-wp/trunk@1036978 b8457f37-d9ea-0310-8a92-e5e31aec5664
dat readme

git-svn-id: https://plugins.svn.wordpress.org/related-posts-for-wp/trunk@1036981 b8457f37-d9ea-0310-8a92-e5e31aec5664