Arts news highlights: “Rochelle Feinstein: Image of an Image” and “Eddie Martinez: White Outs” at The Bronx Museum of the Arts; “Young Men” at the Joyce; “Akari: Sculpture by Other Means” and “Akari Unfolded: A Collection by YMER&MALTA” at The Noguchi Museum; NYU Skirball presents Elevator Repair Service’s “Gatz”; BAMkids Film Festival; “The Cher Show” at Neil Simon Theatre.