Log when quarantining an object

When you're trying to troubleshoot why all your objects are getting
quarantined, it's really nice to have some logging. If nothing else,
it's nice to know which process did it.

Change-Id: I6e8be6df938659f7392891df9336ed70bd155706
Add missing license header to test file

All the other tests have license headers, so this one should too.

I picked 2013 for the copyright year because that's when "git log"
says it was first and last touched.

Change-Id: Idd41a179322a3383f6992e72d8ba3ecaabd05c47
Merge "Log when quarantining an object"
Merge "Add missing license header to test file"