Checklist for Pyro 0.3 release

[neerajprad]

• Verify CUDA tests are running fine. @neerajprad
• Update dockerfile if needed. @neerajprad, @jpchen
• Collect release notes from all devs
• Misc cleanup for 0.3 release #1406 @jpchen
• Update setup and README to use PyTorch 1.0 #1655 Update .travis.yml and setup.py to use release version instead of the pinned nightly build. @neerajprad
• Update setup and README to use PyTorch 1.0 #1655 Update README with setup instructions for dev.
• Verify that all issues tagged with the pyro-0.3 release milestone are addressed.
• Cut release, and make announcements. @fritzo
• Update documentation and tutorials on readthedocs. @jpchen

[fehiepsi]

Revising gp module too. ^^

[neerajprad]

Revising gp module too. ^^

@fehiepsi - This is mostly just a checklist to tick off before cutting the release. All code related changes should have a milestone, and should be covered under issues tagged with the pyro-0.3 milestone check above.