- Updated Github links

git-svn-id: https://plugins.svn.wordpress.org/clean-testimonials/trunk@832781 b8457f37-d9ea-0310-8a92-e5e31aec5664
- Updated WordPress tested version

git-svn-id: https://plugins.svn.wordpress.org/clean-testimonials/trunk@832782 b8457f37-d9ea-0310-8a92-e5e31aec5664