Updated readme.txt

git-svn-id: https://plugins.svn.wordpress.org/creative-image-slider/trunk@1020811 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updates in readme 

git-svn-id: https://plugins.svn.wordpress.org/creative-image-slider/trunk@1020812 b8457f37-d9ea-0310-8a92-e5e31aec5664