LeftTree Creation And Completion of PR Algo
Merge branch 'master' of
https://github.com/divya-sambasivan/TweetSummarizer

Conflicts:
	TwitterSummaryData/.classpath
	TwitterSummaryData/src/com/twitter/data/BuildTree.java
	TwitterSummaryData/src/com/twitter/data/Node.java
	TwitterSummaryData/testTweet