dataupload and datadownloads

[weshayutin]

Probably not a high priority.

oc get datauploads.velero.io 
NAME                STATUS      STARTED   BYTES DONE   TOTAL BYTES   STORAGE LOCATION   AGE   NODE
repo-maint1-g57k4   Completed   15s       36956604     36956604      dpa-sample-1       57s   ip-10-0-32-166.us-west-2.compute.internal

oc get datadownloads.velero.io 
NAME                STATUS      STARTED   BYTES DONE   TOTAL BYTES   STORAGE LOCATION   AGE   NODE
repo-maint1-rt7nn   Completed   21s       36956604     36956604      dpa-sample-1       48s   ip-10-0-65-214.us-west-2.compute.internal

1. incorporating du and dd info into the plugin
2. perhaps augmenting the output to be more useful
3. perhaps informing user of speed to upload / download