DeployerStepExecutionHandler
Created a PartitionHandler that delegates to a TaskLauncher from Spring
Cloud Deployer to execute workers.
Resolvesspring-cloud/spring-cloud-task#109
Updates per code review
This introduces a listener that stores the association between a Spring
Batch job and the task it was executed within.
Resolvesspring-cloud/spring-cloud-task#46
Merge Changes based on code review.