Fix a bug that I think happens because I create a parentless div to run Readability on
Fix a bug that I think happens because I create a parentless div to run Readability on

fzzzy/pageshot,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/pageshot,mozilla-services/pageshot,fzzzy/pageshot,mozilla-services/screenshots,mozilla-services/pageshot,fzzzy/pageshot,mozilla-services/screenshots,mozilla-services/screenshots,fzzzy/pageshot