[AKS] add new 2018-03-31 API #3131

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lmazuel merged 16 commits intoAzure:masterfrom

mboersma:aks-2018-03-31

Jun 1, 2018

Commits on May 26, 2018

Reconcile two definitions of OSType enum.
mboersma
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Commits on May 30, 2018

Incorporated review comments
mboersma
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Commits on May 31, 2018

Fixed examples errors pointed out by oav tool
mboersma
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