Spearman coefficient
Merge branch 'master' of https://github.com/parpanironak/HW3

Conflicts:
	src/edu/nyu/cs/cs2580/CorpusAnalyzerPagerank.java
conf changes
Merge branch 'master' of https://github.com/parpanironak/HW3

Conflicts:
	conf/engine.conf
no change - fake commit
Merge branch 'master' of https://github.com/parpanironak/HW3

Conflicts:
	src/edu/nyu/cs/cs2580/IndexerInvertedCompressed.java
Stop words removal and stemming