baseline similarity scoring implemented
Merge branch 'master' of https://github.com/Digo/hw5-team11.git

Conflicts:
	qa4mre-alzheimer-task/src/main/java/edu/cmu/lti/deiis/hw5/answer_ranking/AnswerChoiceCandAnsSimilarityScorer.java
AnswerChoiceBaslineScorer added
descriptor for baseline scorer added
Merge branch 'master' of https://github.com/Digo/hw5-team11.git