remove useless param in Segmenter
Merge branch 'master' into nell

Conflicts:
	src/main/java/edu/cmu/cs/lti/ark/fn/parsing/ParserDriver.java
	src/main/java/edu/cmu/cs/lti/ark/fn/segmentation/MoreRelaxedSegmenter.java
	src/main/java/edu/cmu/cs/lti/ark/fn/segmentation/RoteSegmenter.java
	src/main/java/edu/cmu/cs/lti/ark/fn/segmentation/Segmenter.java
use lists instead of conjoined strings for RoteSegmenter private methods
minor cleanup of RequiredDataCreation