Use devise 3.3.0, still 4 failing tests

  1) Failure:
AuthenticationOthersTest#test_sign_in_stub_in_json_format [/Users/andreasronge/.rvm/gems/ruby-2.1.2/gems/devise-3.3.0/test/integration/authenticatable_test.rb:492]:
Expected /"password":null/ to match "{\"user\":{\"username\":null,\"facebook_token\":null,\"email\":\"\",\"created_at\":null,\"updated_at\":null}}".

  2) Failure:
AuthenticationOthersTest#test_sign_in_stub_in_json_with_non_attribute_key [/Users/andreasronge/.rvm/gems/ruby-2.1.2/gems/devise-3.3.0/test/integration/authenticatable_test.rb:499]:
Expected /"other_key":null/ to match "{\"user\":{\"username\":null,\"facebook_token\":null,\"email\":\"\",\"created_at\":null,\"updated_at\":null}}".

  3) Failure:
SerializableTest#test_should_include_unsafe_keys_on_JSON_if_a_force_except_is_provided [/Users/andreasronge/.rvm/gems/ruby-2.1.2/gems/devise-3.3.0/test/models/serializable_test.rb:34]:
Expected {"username"=>"usertest", "facebook_token"=>nil, "email"=>"test237@example.com", "created_at"=>"2014-08-27T09:44:08.000+00:00", "updated_at"=>"2014-08-27T09:44:08.000+00:00"} to not have key "email"

  4) Failure:
SerializableTest#test_should_not_include_unsafe_keys_on_JSON_even_if_a_new_except_is_provided [/Users/andreasronge/.rvm/gems/ruby-2.1.2/gems/devise-3.3.0/test/models/serializable_test.rb:29]:
Expected {"username"=>"usertest", "facebook_token"=>nil, "email"=>"test240@example.com", "created_at"=>"2014-08-27T09:44:08.000+00:00", "updated_at"=>"2014-08-27T09:44:08.000+00:00"} to not have key "email"