Losing main image when converting

[nikhilsi]

For many articles on CNN and reuters, the converter is dropping the main article image. For example, check http://www.reuters.com/article/2012/04/17/us-spain-argentina-ypf-eu-idUSBRE83G0QU20120417

[marek-stoj]

Thanks for the feedback. Feel free to issue a pull request when you fix the issue :)