(Reuters) - Air France said on Friday it had reached a pay agreement for 2019 with unions representing ground staff, as it seeks to move on from labour disputes which weighed on its results last year.The deal will provide for pay increases of 1.8 percent, as well as money to finance individual bonuses and measures to make the payment of overtime easier, Air France said.The airline was hit by a series of costly strikes in 2018, which led to the departure of chief executive Jean-Marc Janaillac in..