Add spacing lines and formatting to result dicts

Based on a suggestion from pabelanger to try out some of the formatting
ideas from here:

  http://logs.openstack.org/89/481589/1/check/gate-windmill-deploy-fedora-25-nv/493e687/console.html.gz

add blank lines for spacing at the start of tasks and plays, and format
the results dict when we have one.

Change-Id: I29945d5451c6ac69c90a0140e1a686ae3afea340
1 file changed