Namespace transients

git-svn-id: http://plugins.svn.wordpress.org/dirtysuds-category-thumbnail/trunk@1005803 b8457f37-d9ea-0310-8a92-e5e31aec5664
1.03

git-svn-id: http://plugins.svn.wordpress.org/dirtysuds-category-thumbnail/trunk@1005804 b8457f37-d9ea-0310-8a92-e5e31aec5664