A federal appeals court has revived a lawsuit accusing the Federal Emergency Management Agency of retaliating against a worker for complaining of discrimination.The 7th U.S. Circuit Court of Appeals did not rule on the merits of Kimberly A. Moreland’s contention that FEMA engaged in unlawful retaliation by refusing to pay the expenses she incurred in attending an administrative hearing on her discrimination complaint.But the court cleared the way for Moreland to pursue that claim before U.S. District Judge Rudolph T. …