update to 1.4 version

git-svn-id: https://plugins.svn.wordpress.org/clickbank-ads-clickbank-widget/trunk@1048154 b8457f37-d9ea-0310-8a92-e5e31aec5664
delete unused file

git-svn-id: https://plugins.svn.wordpress.org/clickbank-ads-clickbank-widget/trunk@1048163 b8457f37-d9ea-0310-8a92-e5e31aec5664