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build is failing! Please make sure `rspec spec` is clean before merging.

The following failure has been fixed in another branch:

```
  3) LinkHighlighter with a link with no www subdomain to_s should == "<a href=\"http://google.com\">google.com</a>"
     Failure/Error: its(:to_s) { should == '<a href="http://google.com">google.com</a>' }
       expected: "<a href=\"http://google.com\">google.com</a>"
            got: "google.com" (using ==)
     # ./spec/unit/link_highlighter_spec.rb:33:in `block (3 levels) in <top (required)>'
```