Upgrade packer to v0.12.1. (spinnaker#1370)

Adding Azure keyvault config to spinnaker-local (spinnaker#1336)

Adding Azure bake config to default spinnaker local (spinnaker#1332)

GCE disable and destroy stages need regions not zones. (spinnaker#1330)

Specify v2 execution engine for all test pipelines. (spinnaker#1328)

(front50) Increase size of DefaultNotificationDAO and DefaultPipeline…

…DAO threadpools. (spinnaker#1325)

(google) codelab should not update spinnaker subsystems (spinnaker#1281)

(google) first boot & codelab image installs apt fix (spinnaker#1277)

Merge pull request spinnaker#1271 from skim1420/fgb2

adds confdef/confold flags to dist-upgrade

use mktemp to create tmp dir in install script (spinnaker#1168)