WP-3944: Add resources file types.
WP-3944: Add bundle settings for resource file types.
WP-3993: Add Resource Image view modes for 1/2, 1/3 and full-width images.
WP-4020: Remove Widget ID field from twitter resource file type.
WP-4069: Switch image formatter to image_enlarge for resources image file type.
WP-4069: Add field_body and field_click_to_expand for Resource Image file type.
WP-4077: Make Twitter URL and Callout fields required.
WP-4089: Add Resource Image view modes.
WP-3993: export display suite settings.
WP-3993: export image display settings.