Remove the field webdir

git-svn-id: https://plugins.svn.wordpress.org/thumbrio/trunk@1012893 b8457f37-d9ea-0310-8a92-e5e31aec5664
Remove library folder

git-svn-id: https://plugins.svn.wordpress.org/thumbrio/trunk@1012895 b8457f37-d9ea-0310-8a92-e5e31aec5664