Feature image support if theme not support it. 

git-svn-id: https://plugins.svn.wordpress.org/best-logo-slider/trunk@1045426 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version update

git-svn-id: https://plugins.svn.wordpress.org/best-logo-slider/trunk@1045427 b8457f37-d9ea-0310-8a92-e5e31aec5664