Updated readme

git-svn-id: https://plugins.svn.wordpress.org/tealium/trunk@842130 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated readme

git-svn-id: https://plugins.svn.wordpress.org/tealium/trunk@842135 b8457f37-d9ea-0310-8a92-e5e31aec5664