Updated readme

git-svn-id: https://plugins.svn.wordpress.org/coursepress/trunk@991792 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated author

git-svn-id: https://plugins.svn.wordpress.org/coursepress/trunk@991793 b8457f37-d9ea-0310-8a92-e5e31aec5664