simplification of the twitter spout
Show debug info on sentiment file loading

* note : use specific order in arguments like:
* -d -t 300 --sentiment_file /Users/peter_v/Documents/data/projects/storm/bigdatabe/p2/p2-storm/topology/sentiment_scores.txt realtime oauth -a 147...
Sentiment results are Double +1, -1 (and not emitted Od)
Debug bolt emits the sentiment analyzed values
Merge pull request #5 from bigdatabe/andy

TwitterSpout and SentimentBolt analyses fixes