function removeCachedSubAssets (id,req) {
		Asset.remove ({parentId:id},function (err) {
			if (err) { return next(err); }
			if (req) { req.next (); }
		});
	}
function removeCachedSubAssets (id,req) {
		Asset.remove ({parentId:id},function (err) {
			if (err) { return next(err); }
			if (req) { req.next (); }
		});
	}
function removeCachedSubAssets ( id , req ) { Asset . remove ( { parentId : id } , function ( err ) { if ( err ) { return next ( err ) ; } if ( req ) { req . next ( ) ; } } ) ; }
/*
Removes all cached subassets which have the given id as its parentID
/ * Removes all cached subassets which have the given id as its parentID