changing readme.txt file

git-svn-id: https://plugins.svn.wordpress.org/nivo-image-slider/trunk@949760 b8457f37-d9ea-0310-8a92-e5e31aec5664
changing readme.txt file

git-svn-id: https://plugins.svn.wordpress.org/nivo-image-slider/trunk@949761 b8457f37-d9ea-0310-8a92-e5e31aec5664