Speed Up the Plugin

git-svn-id: https://plugins.svn.wordpress.org/autoset-featured-image/trunk@869772 b8457f37-d9ea-0310-8a92-e5e31aec5664
Remove All Remote Load File

git-svn-id: https://plugins.svn.wordpress.org/autoset-featured-image/trunk@869812 b8457f37-d9ea-0310-8a92-e5e31aec5664