Installing recent setuptools version for python3
Installing recent setuptools version for python3

Summary: Closes https://github.com/caffe2/caffe2/pull/1900

Reviewed By: pietern

Differential Revision: D6915920

Pulled By: pjh5

fbshipit-source-id: 9bd8073a9670afd6e9fc02228cff7d8800762d5c

Yangqing/caffe2,xzturn/caffe2,xzturn/caffe2,Yangqing/caffe2,xzturn/caffe2,Yangqing/caffe2,Yangqing/caffe2,Yangqing/caffe2,xzturn/caffe2,xzturn/caffe2,caffe2/caffe2