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

Bump version to 1.8.0 (aws#329)

Check if SecondaryStatusTransitions for previous DescribeTrainingJob …

…call (aws#325)

bump to 1.7.1 (aws#313)

Add support for Batch Transform and update README with TF Pipe Mode (a…

…ws#298)

Bump version to 1.6.1 (aws#288)

Add Chainer 4.1.0 (aws#278)

Bump version to 1.5.4 (aws#286)

Bump version to 1.5.3 (aws#277)

Support SageMaker algorithms in ICN region. (aws#262)