Issue #1637518 by dawehner: Fixed the todo in views_plugin_display_feed() and use a views-global response object.
Issue #1591678 by recrit, damiankloip, tim.plunkett: Ensure that entity_type isset on the results object in views_handler_field_field::post_execute().
Issue #1623492 by dawehner: Commit a temporary fix for the feed display to return the right http-Content-type.
Issue #1604978 by dawehner | tim.plunkett: Fixed views_plugin_cache tests by correcting some get_results_key to get_output_key.
Issue #1619548 by dawehner: Don't render contextual fields if the output is empty/the user doesn't have access.