add snippets retrieval descriptor
added snippets retrieval using cosine similarity
Fixed #13: Added web service, integrated with snippets
Merge Fulltext webservice for snippet retrieval  branch 'David/FullText'
clunky concept eval added
Merge branches 'master' and 'spalakod/evaluator'
Merge branch 'master' into Amos/triple-evaluation

Conflicts:
	project-team02/src/main/java/team2/Evaluator.java