Bump to version 1.1.0 (pyro-ppl#2215)

Bump version to 1.0.0 (pyro-ppl#2171)

Bump version to 0.5.1 that is python 3.5 compatible (pyro-ppl#2089)

* Bump version to 0.5.1 that is python 3.5 compatible

* more fixes to setup.py

* update minimum python version to 3.5

* address comments

* fix tqdm issue

* bump up pyro-api version

Bump to version 0.5.0 (pyro-ppl#2075)

Update to version 0.4.1 (pyro-ppl#2020)

Bump up Pyro version to 0.4.0 (pyro-ppl#2008)

* Bump up version to 0.4.0

* update torchvision

Bump Pyro version to 0.3.4 (pyro-ppl#1959)

Bump version to 0.3.3 (pyro-ppl#1847)

Bump to version 0.3.2 (pyro-ppl#1835)

Bump to version 0.3.1 (pyro-ppl#1750)