Removed superfluous 'tracks' directory at the root of the repository.

Testing commits to github.

vendor/plugins/unobtrusive_javascript/test/config/environment.rb

@@ -0,0 +1,8 @@
+Rails::Initializer.run do |config|
+  config.cache_classes = true
+  config.whiny_nils = true
+  config.action_controller.consider_all_requests_local = true
+  config.action_controller.perform_caching             = false
+  config.action_mailer.delivery_method = :test
+  config.action_mailer.perform_deliveries = true
+end