[DRE-maint] Bug#781727: 4 test failures with rails 4.2

[Pirate Praveen]

Now 4 tests fail with rails 4.2

 1) Failure:
RespondWithControllerTest#test_using_resource_for_put_with_json_yields_no_content_on_success
[/home/pravi/forge/debian/git/pkg-ruby-extras/ruby-responders/test/action_controller/respond_with_test.rb:421]:
Expected: " "
  Actual: ""


  2) Failure:
RespondWithControllerTest#test_using_resource_for_put_with_xml_yields_no_content_on_success
[/home/pravi/forge/debian/git/pkg-ruby-extras/ruby-responders/test/action_controller/respond_with_test.rb:413]:
Expected: " "
  Actual: ""


  3) Failure:
RespondWithControllerTest#test_using_resource_for_delete_with_json_yields_no_content_on_success
[/home/pravi/forge/debian/git/pkg-ruby-extras/ruby-responders/test/action_controller/respond_with_test.rb:472]:
Expected: " "
  Actual: ""


  4) Failure:
RespondWithControllerTest#test_using_resource_for_delete_with_xml_yields_no_content_on_success
[/home/pravi/forge/debian/git/pkg-ruby-extras/ruby-responders/test/action_controller/respond_with_test.rb:463]:
Expected: " "
  Actual: ""

99 runs, 233 assertions, 4 failures, 0 errors, 0 skips
rake aborted!
Command failed with status (1): [ruby -I"test:."
-I"/usr/lib/ruby/vendor_ruby"
"/usr/lib/ruby/vendor_ruby/rake/rake_test_loader.rb"
"test/action_controller/respond_with_test.rb"
"test/responders/collection_responder_test.rb"
"test/responders/controller_method_test.rb"
"test/responders/flash_responder_test.rb"
"test/responders/http_cache_responder_test.rb" -v]