Address feedback from glance-remote patch

This cleans up some of the quote and variable handling that was
pointed out in review of the previous patch. This is non-critical,
so I'm putting it in a subsequent patch to avoid disturbing the
careful alignment of patches across three projects that are mostly
approved.

Change-Id: I9b281efd74ba5cd78f97b84e5704b41fd040e481
2 files changed