more readme changes

git-svn-id: https://plugins.svn.wordpress.org/elizaibot-chatbots/trunk@773169 b8457f37-d9ea-0310-8a92-e5e31aec5664
more readme changes

git-svn-id: https://plugins.svn.wordpress.org/elizaibot-chatbots/trunk@773171 b8457f37-d9ea-0310-8a92-e5e31aec5664