updated widgets

Signed-off-by: Michael Bylov <michaelweb@ufothemes.com>
widgets update

Signed-off-by: Michael Bylov <michaelweb@ufothemes.com>
Merge branch 'refs/heads/master' into dev
Adding new hook, 'sell_media_additional_item_meta_section', used in reprints https://github.com/graphpaperpress/sell-media-reprints-self-fulfillment/issues/55#issuecomment-17616555

Signed-off-by: Zane M. Kolnik <zanematthew@gmail.com>