[examples/pytorch] added a bunch of models for more thorough testing

examples/python/pytorch/models/__init__.py

@@ -0,0 +1,14 @@
+from .vgg import *
+from .dpn import *
+from .lenet import *
+from .senet import *
+from .pnasnet import *
+from .densenet import *
+from .googlenet import *
+from .shufflenet import *
+from .shufflenetv2 import *
+from .resnet import *
+from .resnext import *
+from .preact_resnet import *
+from .mobilenet import *
+from .mobilenetv2 import *