Add more columns to image list output

Add disk_format, container_format, size and status to image list
command. Added tests as well.

Change-Id: I8e3822c6d46d0020fc706955c026549f6c635587
Closes-Bug: #1348475
More make_client() logging cleanup

Change-Id: I5af4b9c52c69d6e31e6ca5f90d5880c097880a71
Merge "Add more columns to image list output"
Merge "More make_client() logging cleanup"