Updated rakefile to use latest ios sdk
Updated rakefile to use latest ios sdk

gabrielPeart/Tranquil,fjolnir/Tranquil,fjolnir/Tranquil,fjolnir/Tranquil,fjolnir/Tranquil,fjolnir/Tranquil,gabrielPeart/Tranquil,fjolnir/Tranquil,gabrielPeart/Tranquil,gabrielPeart/Tranquil,gabrielPeart/Tranquil,gabrielPeart/Tranquil