v2.0.0-alpha3

• Introduce the "resource" template type for performing CRUD operations on k8s resources
• Support for workflow exit handlers
• Support artifactory as an artifact repository
• Add ability to timeout a container/script using activeDeadlineSeconds
• Add CLI command and flags to wait for a workflow to complete argo wait/argo submit --wait
• Add ability to run multiple workflow controllers operating on separate instance ids
• Add ability to run workflows using a specified service account

• Scalability improvements for highly parallelized workflows
• Improved validation of volume mounts with input artifacts
• Argo UI bug fixes and improvements

• Recover from unexpected panics when operating on workflows
• Fix a controller panic when using a script templates with input artifacts
• Fix issue preventing ability to pass JSON as a command line argument