Update lib/uploadhandler.js

emit delete event

Author: soomtong

lib/uploadhandler.js

@@ -163,6 +163,7 @@ module.exports = function (options) {
         fs.unlink(options.uploadDir() + '/' + fileName, function (ex) {
             _.each(options.imageVersions, function (value, version) {
                 fs.unlink(options.uploadDir() + '/' + version + '/' + fileName);
+                self.emit('delete', fileName);
             });
             self.callback(!ex);
         });