Cosine similary helper class
Merge branch 'master' into 15_sent_seg

Conflicts:
	src/main/java/util/TextUtils.java
The Introduction of the Great and Awesome Aggregate Analysis Engine of
SCIENCE!
Merge branch 'master' of https://github.com/11791-04/project-team04.git
Missing import in TextUtils
added full text document check
bullshit
Di's classes
Merge branch 'master' of https://github.com/11791-04/project-team04.git
Return List of SentenceInfo for sentence segmentor. resolves #15