MetalPerformanceShaders iOS 11.1 to 11.2 API Differences

../Frameworks/MPSMatrix.framework/Headers/MPSMatrixCombination.h
../Frameworks/MPSMatrix.framework/Headers/MPSMatrixFindTopK.h
../Frameworks/MPSMatrix.framework/Headers/MPSMatrixSoftMax.h
../Frameworks/MPSMatrix.framework/Headers/MPSMatrixTypes.h
../Frameworks/MPSNeuralNetwork.framework/Headers/MPSCNNConvolution.h
../Frameworks/MPSNeuralNetwork.framework/Headers/MPSCNNNeuronType.h
../Frameworks/MPSNeuralNetwork.framework/Headers/MPSMatrixFullyConnected.h
../Frameworks/MPSNeuralNetwork.framework/Headers/MPSMatrixSum.h
../Frameworks/MPSNeuralNetwork.framework/Headers/MPSNNGraphNodes.h
../Frameworks/MPSNeuralNetwork.framework/Headers/MPSRNNLayer.h