v0.1.3

Bugfix version.

We started to release pre-built wheels for multiple PyTorch versions:

CUDA	torch 1.5	torch 1.4
10.2	install python -m pip install detectron2==0.1.3 -f \ https://dl.fbaipublicfiles.com/detectron2/wheels/cu102/torch1.5/index.html
10.1	install python -m pip install detectron2==0.1.3 -f \ https://dl.fbaipublicfiles.com/detectron2/wheels/cu101/torch1.5/index.html	install python -m pip install detectron2==0.1.3 -f \ https://dl.fbaipublicfiles.com/detectron2/wheels/cu101/torch1.4/index.html
10.0		install python -m pip install detectron2==0.1.3 -f \ https://dl.fbaipublicfiles.com/detectron2/wheels/cu100/torch1.4/index.html
9.2	install python -m pip install detectron2==0.1.3 -f \ https://dl.fbaipublicfiles.com/detectron2/wheels/cu92/torch1.5/index.html	install python -m pip install detectron2==0.1.3 -f \ https://dl.fbaipublicfiles.com/detectron2/wheels/cu92/torch1.4/index.html
cpu	install python -m pip install detectron2==0.1.3 -f \ https://dl.fbaipublicfiles.com/detectron2/wheels/cpu/torch1.5/index.html	install python -m pip install detectron2==0.1.3 -f \ https://dl.fbaipublicfiles.com/detectron2/wheels/cpu/torch1.4/index.html

Incompatible changes about internal interface:

• _init_{box,mask,keypoint}_head of StandardROIHeads was changed from instance method to class method.