Bump version to 1.11.2 (aws#425)

bump version to 1.11.1 (aws#419)

Bump version to 1.11.0 (aws#410)

Fix version in setup.py (aws#397)

Fix version to 1.10.0 in setup.py (aws#386)

fix rst warnings (aws#381)

* fix rst warnings

* fix typo

* fix image link

* update version to 1.9.3.1

Increase version to 1.9.3 (aws#379)

Support tensorflow 1.9 and bump version to 1.9.2 (aws#365)

Bump version to 1.9.1 (aws#360)

Add MXNet 1.2.1 and bump SDK to v1.9.0 (aws#336)