README; Addition from SVN

git-svn-id: https://s2g-svn.googlecode.com/svn/trunk@4 06d92b47-4a05-0ee6-9423-731e4e54dc03
Edit 3rd from SVN

git-svn-id: https://s2g-svn.googlecode.com/svn/trunk@5 06d92b47-4a05-0ee6-9423-731e4e54dc03