Bug Fixes and Other Changes
* update PyTorch 1.6.0 inference image uri config
* set use_spot_instances and max_wait as init params from job description
* run integ tests when image_uri_config jsons are changed
* Revert "fix: update pytorch inference 1.6 image uri config (1873)"
* update pytorch inference 1.6 image uri config
Documentation Changes
* fix typo in v2.rst
Testing and Release Infrastructure
* fix PyTorch inference packed model integ test