Fixes a couple of security problems where users with permission to see other users answers also are able to delete other users answers, and also the default views provided with the module doesn't have any default permission checking. See SA-CONTRIB-2013-083 - Quiz - Access Bypass for more information.
1. Issue #1952498 by caesius: Fixed When auto-revisioning is turned off, module should respect content type revision configuration.
2. Added feedback field specific to user answer.