removed if statement from isReview of to make it search for both ISBN and creator+title

git-svn-id: svn://oss.dbc.dk/sync_search/opensearch/trunk@52598 51cac136-f83d-432d-bb6f-125e83a60a2d
removed if statement from hasReview to make it search for both 870971/870976 reviews and 150005 reviews

git-svn-id: svn://oss.dbc.dk/sync_search/opensearch/trunk@52615 51cac136-f83d-432d-bb6f-125e83a60a2d
removed unnecessary code

git-svn-id: svn://oss.dbc.dk/sync_search/opensearch/trunk@52619 51cac136-f83d-432d-bb6f-125e83a60a2d