Merge pull request #46 from gouwens/master

Separating titles for same show on consecutive days
Added components to calculate and record document frequency.
Working cloud view for a single suggestion set.
Can show a cloud for each episode.
Added support for Goudy Bookletter font
Added idf() method to WordCount
Improved display of clouds on page.
Moved logic code to WordCount, cleaned up.
Revamped interface for cloud generation. Added features to support phantomjs automated cloud generation.
Fixed JSON output for number of clouds on a date.