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

Testing commits to github.

vendor/plugins/unobtrusive_javascript/test/lib/stubs/controller_stub.rb

@@ -0,0 +1,10 @@
+require 'action_controller/test_process'
+require 'ujs/controller_methods'
+
+class ControllerStub < ActionController::Base
+  def index
+    render :nothing => true
+  end
+end
+
+ControllerStub.send(:include, UJS::ControllerMethods)