added probability of each prediction
added function to report most informative features
changed vectorizer to TF-IDF, improved crossvalidated accuracy by about 3 percentage points
changed response message to return precent
added report message to return the top ten words which influenced the given prediction
modified report message to make predictions more visually apparent
added pickled classifier, vocab list
changed probability to percent rather than decimal
Merge pull request #5 from corinnelhh/step1

Step1