update readme.txt

git-svn-id: https://plugins.svn.wordpress.org/testimonial-by-weblizar/trunk@957306 b8457f37-d9ea-0310-8a92-e5e31aec5664
small changes in readme

git-svn-id: https://plugins.svn.wordpress.org/testimonial-by-weblizar/trunk@957308 b8457f37-d9ea-0310-8a92-e5e31aec5664