fix broken tests due to recent published_date attribute changes
added regression test for disappearing leading whitespace in Evernote note editor after metadata update
improved regression test for disappearing leading whitespace in Evernote note editor after metadata update
fixed regression: disappearing leading whitespace in Evernote note editor after metadata update - should avoid adjacent plain spaces
added 'order="custom"' to aggregate images shortcode in order to display images in the order they were specified.
uses the custom order feature added to the sb_easy_image shortcode in version 1.2.0.