![I have no idea what I'm doing.](http://i0.kym-cdn.com/photos/images/original/000/234/739/fa5.jpg)
Merge pull request #52 from rackerlabs/linkcheck-optional

Make the sphinx link check optional / allowed to fail.
Merge branch 'master' into list-server-details-with-names
Clarify the test docstrings, make the test that filters by name actually filters out an extraneous server
Factor out list servers into a private helper function