merge pytorch 1.0 branch

fix fxia22#30, fxia22#32, fxia22#27, fxia22#25, fxia22#24, fxia22#17, fxia22#14, fxia22#11, fxia22#13, fxia22#5, fxia22#4

Author: fxia22

pointnet/model.py

@@ -146,6 +146,7 @@ def forward(self, x):
         x = self.fc3(x)
         return F.log_softmax(x, dim=1), trans, trans_feat
 
+
 class PointNetDenseCls(nn.Module):
     def __init__(self, k = 2, feature_transform=False):
         super(PointNetDenseCls, self).__init__()