Add additionalPrinterColumns to taskrun CRD

Added type, status, startTime and CompletionTime as additional
printer columns in taskrun. This will show the above fields when
someone does kubectl get taskruns.
Fixes tektoncd#615

config/300-taskrun.yaml

@@ -25,6 +25,21 @@ spec:
  - knative
  - tekton-pipelines
  scope: Namespaced
+ additionalPrinterColumns:
+ - name: Type
+ type: string
+ description: The cron spec defining the interval a CronJob is run
+ JSONPath: .status.conditions[0].type
+ - name: Status
+ type: string
+ description: The number of jobs launched by the CronJob
+ JSONPath: .status.conditions[0].status
+ - name: StartTime
+ type: date
+ JSONPath: .status.startTime
+ - name: CompletionTime
+ type: date
+ JSONPath: .status.conditions[0].lastTransitionTime
  # Opt into the status subresource so metadata.generation
  # starts to increment
  subresources: