Preparation for 1.6.0 Release.

[markmandel]

No description provided.

[agones-bot]

Build Succeeded 👏

Build Id: fde0f442-43f9-4d93-a5f6-55071b3d61a8

The following development artifacts have been built, and will exist for the next 30 days:

• image: gcr.io/agones-images/agones-controller:1.6.0-cdb13d0
• image: gcr.io/agones-images/agones-sdk:1.6.0-cdb13d0
• image: gcr.io/agones-images/agones-ping:1.6.0-cdb13d0
• Linux C++ SDK (build): agonessdk-1.6.0-cdb13d0-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.6.0-cdb13d0.zip

A preview of the website (the last 30 builds are retained):

• https://cdb13d0-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/GoogleCloudPlatform/agones.git pull/1474/head:pr_1474 && git checkout pr_1474
• helm install ./install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.6.0-cdb13d0

[google-oss-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: markmandel, pooneh-m

The full list of commands accepted by this bot can be found here.

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• OWNERS [markmandel,pooneh-m]

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