By Tim Hepher PARIS, Feb 1 (Reuters) - Airbus and Qatar Airways have settled a dispute over grounded A350 jets, the companies said on Wednesday, averting a potentially damaging UK court trial after a blistering 18-month feud that tore the lid off the global jet market. The "amicable and mutually agreeable settlement" ends a $2 billion row over surface damage on the long-haul jets.The spat led to the...