Merge pull request #2 from Sushindhran/sushi

Sushi
Merge pull request #3 from Sushindhran/sushi

Removed usused from Ranker.java
Merge pull request #4 from Sushindhran/sushi

Added FileUtils
Linear implementation completed
Merge branch 'sanghvi' of github.com:Sushindhran/WebSearchEngines into sushi

Conflicts:
	edu/nyu/cs/cs2580/Ranker.java
Updated FileUtils and added code to write to file
Merge branch 'sanghvi' of github.com:Sushindhran/WebSearchEngines into sushi