Update tools to 0.13.8 - Terraform is latest & gCloud 309.0.0 (#789)
Update tools to 0.13.8 - Terraform is latest & gCloud 309.0.0 (#789)


GoogleCloudPlatform/cloud-foundation-toolkit,GoogleCloudPlatform/cloud-foundation-toolkit,GoogleCloudPlatform/cloud-foundation-toolkit,GoogleCloudPlatform/cloud-foundation-toolkit,GoogleCloudPlatform/cloud-foundation-toolkit