Fix problematic tabs in sites.yml and script

The tabs were causing some YAML parsers to fail. Replacing them with spaces
solves that problem, though I don't know if the trailing whitespace will cause
others.
Merge pull request #399 from rjc123/newsites

Remove spurious tabs
Fix conflicts in merge
Merge pull request #400 from rjc123/master

Removing problematic tabs
Remove spurious tabs and script causing them
Merge pull request #401 from rjc123/master

Remove spurious tabs and script causing them
Handle $response->message being null

Previously when following redirects where this value was null it would fail.
Make the dns_report fail if a command fails
Revert "Make the dns_report fail if a command fails"

This meant that any dig command failing legitimately would stop the job, which
is unhelpful.

This reverts commit 00e72a5355e6542c6dc4998ed12bb846560a84c4.