Merge branch 'master' of https://github.com/divya-sambasivan/TweetSummarizer.git

Conflicts:
	TwitterSummaryData/src/com/twitter/data/BuildTree.java
	TwitterSummaryData/src/com/twitter/data/CleanTweets.java
	TwitterSummaryData/src/com/twitter/data/Node.java
	TwitterSummaryData/src/com/twitter/data/SentenceTree.java
Added manual summaries from 40 to 45