By Laila Kearney NEW YORK (Reuters) -Oil prices settled lower on Tuesday as traders focused on rebounding crude output in parts of the U.S., along with rising supply in Libya and Norway, rather than risks to supply posed by conflict in Europe and the Middle East. Brent crude settled at $79.55 a barrel, losing 51 cents, or 0.6%. U.S. West Texas Intermediate crude settled at $74.37 a barrel, shedding 39 cents, or 0.5%. In North Dakota, the third-largest oil-producing U.S. state, some oil output came back online after shutting because of extreme cold, the state’s pipeline authority said. However,…