readme.txt file changes

git-svn-id: https://plugins.svn.wordpress.org/spotim/trunk@963937 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme.txt file changes, again

git-svn-id: https://plugins.svn.wordpress.org/spotim/trunk@963939 b8457f37-d9ea-0310-8a92-e5e31aec5664