Lifetime has given a second season to “UnREAL,” its scripted series about the behind-the-scenes working of a reality TV series. The series, which is co-created by Marti Noxon and Sarah Gertrude Shapiro and stars Shiri Appleby and Constance Zimmer, will return next year with a 10-episode order. Noxon executive produces along with Sally DeSipio and Robert...