pytorch

4c5b1cc0 - version bump to 1.1 (#15554)

version bump to 1.1 (#15554) Summary: version bump to 1.1 Pull Request resolved: https://github.com/pytorch/pytorch/pull/15554 Differential Revision: D13550818 Pulled By: soumith fbshipit-source-id: 8a28582c98b42c081e103581551a01fd96c9f42d