ver 4 updates on folder and file names CS

git-svn-id: https://plugins.svn.wordpress.org/lfe-online-courses/trunk@1010850 b8457f37-d9ea-0310-8a92-e5e31aec5664
add store button name changed

git-svn-id: https://plugins.svn.wordpress.org/lfe-online-courses/trunk@1010852 b8457f37-d9ea-0310-8a92-e5e31aec5664
add store name image changed

git-svn-id: https://plugins.svn.wordpress.org/lfe-online-courses/trunk@1010854 b8457f37-d9ea-0310-8a92-e5e31aec5664