Update containerd v1.1.3 and Golang v1.11#48

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ernoaapa wants to merge 4 commits intomasterfrom update-containerd

+128-859

Commits on Jun 27, 2018

Updated documentation
ernoaapa
committed

Commits on Aug 25, 2018

Updated containerd to v1.1.3
ernoaapa
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Commits on Aug 28, 2018