Notify image cache about the expiration of a user agent (i.e. processing run).
Notify image cache about the expiration of a user agent (i.e. processing run).

git-svn-id: 102839466c3b40dd9c7e25c0a1a6d26afc40150a@232950 13f79535-47bb-0310-9956-ffa450edef68

apache/fop,apache/fop,apache/fop,apache/fop,chunlinyao/fop,chunlinyao/fop,chunlinyao/fop,chunlinyao/fop,apache/fop,chunlinyao/fop