Integrated LR and made a couple tweeks to its output.
Added agg_sent.py, which has the function we use to determine the final sentiment score for a given tweet according to all of our algorithms' output.
Updated the sa_reducer.py script to aggregate the sentiment scores from all SA methods and add those to the output.
Updated SA_Worker.py to aggregate the sentiment scores from all SA methods and the aggregate score and prob to the output.
Added a comment.
Merge branch 'SA_Integration_3'