tagging version 1.2

git-svn-id: https://plugins.svn.wordpress.org/responsive-lightbox-lite/trunk@979384 b8457f37-d9ea-0310-8a92-e5e31aec5664
updating read me file

git-svn-id: https://plugins.svn.wordpress.org/responsive-lightbox-lite/trunk@979395 b8457f37-d9ea-0310-8a92-e5e31aec5664