Fixed long-form article issue w/ calculate_best_node

* Test case included: businessinsider3 / http://www.businessinsider.com/larry-page-the-untold-story-2014-4

See https://github.com/jiminoc/goose/blob/master/src/main/scala/com/gravity/goose/extractors/ContentExtractor.scala#L227
Merge branch 'patch-1' of https://github.com/jeffnappi/python-goose into jeffnappi-patch-1
Merge branch 'feature/long-article-94' into develop