tweak readme


git-svn-id: https://plugins.svn.wordpress.org/child-theme-configurator/trunk@1036875 b8457f37-d9ea-0310-8a92-e5e31aec5664
tweak readme


git-svn-id: https://plugins.svn.wordpress.org/child-theme-configurator/trunk@1036877 b8457f37-d9ea-0310-8a92-e5e31aec5664