Add model parameters to Estimator, and bump library version to 1.13.0#450

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nadiaya merged 3 commits intoaws:masterfrom

RodrigoAtAWS:incr-training

Nov 1, 2018

Commits on Oct 30, 2018

Add incremental training model parameters to Estimator, and bump library version to 1.13.0
RodrigoAtAWS
committed

Commits on Nov 1, 2018