delete html if there is no minified whene clicked on "delete minify delete" button

git-svn-id: https://plugins.svn.wordpress.org/wp-fastest-cache/trunk@997573 b8457f37-d9ea-0310-8a92-e5e31aec5664
logs.php is included when needed

git-svn-id: https://plugins.svn.wordpress.org/wp-fastest-cache/trunk@997577 b8457f37-d9ea-0310-8a92-e5e31aec5664