re-define global vars

git-svn-id: https://plugins.svn.wordpress.org/sg-60-style-guide-creator/trunk@992327 b8457f37-d9ea-0310-8a92-e5e31aec5664
read me update

git-svn-id: https://plugins.svn.wordpress.org/sg-60-style-guide-creator/trunk@992330 b8457f37-d9ea-0310-8a92-e5e31aec5664