updated read me's and minor enhancements

git-svn-id: https://plugins.svn.wordpress.org/tweetability/trunk@787238 b8457f37-d9ea-0310-8a92-e5e31aec5664
added formatting

git-svn-id: https://plugins.svn.wordpress.org/tweetability/trunk@787249 b8457f37-d9ea-0310-8a92-e5e31aec5664