v5.3.0

• Adds a gitignore for terraform/.terraform in the BBL state directory to help you not check binaries into version control.
• The --gcp-zone flag has been removed. It is allowed but ignored and will not be allowed in a future major version of BBL.
• Improvements to the documentation of IaaS credentials in online help
• Azure down will exit without changes if there are VMs in your environment
• Azure up will exit without changes if there is an environment with the same name in your account
• Current jumpbox-deployment: cloudfoundry/jumpbox-deployment@df44a70
• Current bosh-deployment: cloudfoundry/bosh-deployment@85f7889
• Linux sha256: 5b53d2ce2476b256a4904b1bd8519261311deba0f152ea467b162d3089052217
• OSX sha256: 310526ccac6f8ed16a440ed61f3d5f111665ce1a835d47eb7c19cc50dfbc1d3d