Update wordnet_based_similarity.rb

wordnet_based_similarity.rb refactored
commit changes
Merge branch 'master' of https://github.com/apek0729/expertiza
spaces removed
final
Remove automated_metareview changes to external gem
Merge branch 'wordnet' closes #374

Conflicts:
	app/controllers/response_controller.rb
	app/views/student_review/_responses.html.erb
	app/views/submitted_content/_submitted_files.html.erb
	config/routes.rb
Tidy up view_my_scores, and decrease load time to ~30 seconds