Rename WSI-Evaluator to evaluator.

evaluator/README.txt

evaluator/WSI-Evaluator.jar

evaluator/clustering_example/MORESQUE/output_2010.txt

evaluator/clustering_example/MORESQUE/output_2013.txt

evaluator/config/eval.properties

evaluator/datasets/development/README.txt

evaluator/datasets/development/STRel.txt

evaluator/datasets/development/results.txt

evaluator/datasets/development/subTopics.txt

evaluator/datasets/development/topics.txt

evaluator/datasets/test/results.txt

evaluator/datasets/test/topics.txt

evaluator/datasets/trial/ReadMe.txt

evaluator/datasets/trial/STRel.txt

evaluator/datasets/trial/results.txt

evaluator/datasets/trial/subTopics.txt

evaluator/datasets/trial/topics.txt