Updated documentation
Merge remote-tracking branch 'origin/master'
Added "Working Notes Paper.pdf" and "outputXML.zip"
Updated Working Notes paper
Merge remote-tracking branch 'origin/master'

Conflicts:
	qa4mre-alzheimer-task/src/main/java/edu/cmu/lti/deiis/hw5/answer_ranking/AnswerChoiceCandAnsOriginalScorer.java
Merge remote-tracking branch 'origin/master'
Milestone 3 - FINAL