add VerticaConnection to root project
add VerticaConnection to root project

HPE-Haven-OnDemand/HPSentimentAnalysis,HP-Haven-OnDemand/HPSentimentAnalysis,lagunex/HPSentimentAnalysis,lagunex/HPSentimentAnalysis,HP-IDOL-OnDemand/HPSentimentAnalysis,HP-IDOL-OnDemand/HPSentimentAnalysis,HPE-Haven-OnDemand/HPSentimentAnalysis,HP-Haven-OnDemand/HPSentimentAnalysis