Update RLMObject+Copying.m
Update RLMObject+Copying.m

Realm has been updated addObjectsFromArray => addObjects
primax79/Realm-JSON,ChristianRonningen/Realm-JSON,kidaa/Realm-JSON,iOS--wsl--victor/Realm-JSON,brasbug/Realm-JSON,orkenstein/Realm-JSON,BenLoomToys/Realm-JSON,matthewcheok/Realm-JSON,papertigers/Realm-JSON,happyeverydayzhh/Realm-JSON,clsource/Realm-JSON,mingweizhang/Realm-JSON,Muoverti/Realm-JSON,demonnico/Realm-JSON,switchapp/Realm-JSON,AlexanderMazaletskiy/Realm-JSON