readme updates

git-svn-id: https://plugins.svn.wordpress.org/the-casengo-chat-widget/trunk@822329 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme updates

git-svn-id: https://plugins.svn.wordpress.org/the-casengo-chat-widget/trunk@822433 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme updates

git-svn-id: https://plugins.svn.wordpress.org/the-casengo-chat-widget/trunk@822948 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme updates

git-svn-id: https://plugins.svn.wordpress.org/the-casengo-chat-widget/trunk@823106 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme updates

git-svn-id: https://plugins.svn.wordpress.org/the-casengo-chat-widget/trunk@823718 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme updates

git-svn-id: https://plugins.svn.wordpress.org/the-casengo-chat-widget/trunk@823871 b8457f37-d9ea-0310-8a92-e5e31aec5664