readme.txt update 1.1

git-svn-id: https://plugins.svn.wordpress.org/kento-post-view-counter/trunk@844314 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme.txt update live preview

git-svn-id: https://plugins.svn.wordpress.org/kento-post-view-counter/trunk@844317 b8457f37-d9ea-0310-8a92-e5e31aec5664