Correct various bugs with ops GpuSoftmax and GpuSoftmaxWithBias. Current version…

theano/sandbox/gpuarray/opt.py

@@ -344,12 +344,12 @@ def local_gpua_crossentropysoftmax1hotwithbiasdx(node):
     return GpuCrossentropySoftmax1HotWithBiasDx()
     
 @register_opt()
-@op_lifter([tensor.nnet.GpuSoftmax])
+@op_lifter([tensor.nnet.Softmax])
 def local_gpua_softmax(node):
     return GpuSoftmax()
 
 @register_opt()
-@op_lifter([tensor.nnet.GpuSoftmaxWithBias])
+@op_lifter([tensor.nnet.SoftmaxWithBias])
 def local_gpua_softmaxwithbias(node):
     return GpuSoftmaxWithBias()