latest fix for NPE
	modified:   .classpath
    modified:   README.md
	modified:   src/main/java/tweets/analyze/BaseBean.java
	modified:   src/main/java/tweets/analyze/BaseEdge.java
	modified:   src/main/java/tweets/analyze/ConfigLoader.java
	modified:   src/main/java/tweets/analyze/GremlinTitanTweetGraph.java
	modified:   src/main/java/tweets/analyze/TweetBean.java
	modified:   src/main/java/tweets/analyze/TweetInjecter.java
	modified:   src/main/java/tweets/analyze/TweetParser.java
	modified:   src/main/java/tweets/analyze/TweetToReTweetOfEdge.java
	modified:   src/main/java/tweets/analyze/UserBean.java
	modified:   src/main/java/tweets/analyze/UserToTweetEdge.java