Version 1.1.9 - auto hide the box

git-svn-id: https://plugins.svn.wordpress.org/scroll-triggered-boxes/trunk@853093 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated readme

git-svn-id: https://plugins.svn.wordpress.org/scroll-triggered-boxes/trunk@853094 b8457f37-d9ea-0310-8a92-e5e31aec5664