minor change
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/edu/nyu/cs/cs2580/Query.java
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
first version of nextDoc and next
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/edu/nyu/cs/cs2580/IndexerInvertedDoconly.java