By Tim Hepher PARIS (Reuters) – Plans by Airbus to host its largest investor meeting in three years have been postponed after the keenly awaited presentation clashed with Queen Elizabeth’s jubilee, ruffling feathers among the aerospace giant’s British investors and staff. Airbus officials have written to participants acknowledging the date for the Capital Market Days was “inconvenient” and set a new date of Sept. 22-23, according to an email seen by Reuters. The original date of June 2-3 overlapped with two public holidays at the start of celebrations to mark Queen Elizabeth’s seven decades on…