Update changelog 1.2.0
Update changelog 1.2.0

NativeScript/NativeScript,hdeshev/NativeScript,NativeScript/NativeScript,genexliu/NativeScript,genexliu/NativeScript,genexliu/NativeScript,NativeScript/NativeScript,NativeScript/NativeScript,NativeScript/NativeScript,hdeshev/NativeScript,hdeshev/NativeScript