Kill trailing whitespace in ruby files

test/unit/sources/tinami_test.rb

@@ -1,7 +1,7 @@
 # # encoding: UTF-8
-# 
+#
 # require 'test_helper'
-# 
+#
 # module Sources
 #   class TinamiTest < ActiveSupport::TestCase
 #     context "The source site for tinami" do
@@ -10,23 +10,23 @@
 #           @site = Sources::Site.new("http://www.tinami.com/view/308311")
 #           @site.get
 #         end
-#         
+#
 #         should "get the profile" do
 #           assert_equal("http://www.tinami.com/creator/profile/29399", @site.profile_url)
 #         end
-#         
+#
 #         should "get the artist name" do
 #           assert_match(/ROM/, @site.artist_name)
 #         end
-#         
+#
 #         should "get the image url" do
 #           assert_equal("http://img.tinami.com/illust2/img/336/4e80b9773c084.png", @site.image_url)
 #         end
-#         
+#
 #         should "get the tags" do
 #           assert(@site.tags.size > 0)
 #         end
-#         
+#
 #         should "convert a page into a json representation" do
 #           assert_nothing_raised do
 #             @site.to_json