Added nodelete option to cleanup of hash lists of volumes in TGeoManager dtor
Added nodelete option to cleanup of hash lists of volumes in TGeoManager dtor

(cherry picked from commit 6e0644cc8414247a9b40b02ab6b352f9d948db3b)

tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot