Adds d3 package. Necessary for the word-cloud layout library.
Adds word-cloud layout library.
Adds wordcloud collection, publication, and route subscription.
Adds word cloud based on the submitted words by pledge users.
Removes second hashtag, and complies with initials appending format.
Code cleanup, removes unused lines.
Merge pull request #5 from fangari/wordcloud

Adds reactive Wordcloud