added more testing and modules
	modified:   pom.xml
	new file:   src/main/java/org/ananth/waroftitans/analyser/EntityTransformFunction.java
	new file:   src/main/java/org/ananth/waroftitans/twitter/TweetStopWordTransformerFunction.java
	modified:   src/main/java/org/ananth/waroftitans/twitter/TweetTextBuilder.java
	new file:   src/main/java/org/ananth/waroftitans/util/PairObject.java
	new file:   src/main/java/org/ananth/waroftitans/util/TweetStringUtil.java
	modified:   src/test/java/org/ananth/waroftitans/analyser/SentimentAnalyzerFunctionTest.java
	modified:   src/test/java/org/ananth/waroftitans/twitter/TweetSplitterTest.java
	new file:   src/test/java/org/ananth/waroftitans/twitter/TweetTextBuilderTest.java
	new file:   src/test/resources/json.properties