v1.6

🚀 Features

• Make system environment variables available in the context used for running the JobDSL/groovy code defining the seed job.
• Add support for secrets while defining jobs declarations.
• Add support for Enterprise Vault to store secrets; set CASC_VAULT_NAMESPACE to provide a namespace

🐛 Bug Fixes

• fixed an IndexOutOfBounds exception (#688)

📝 Documentation updates

• many fixes to documentation and demos