jaredatch/Custom-Metaboxes-and-Fields-for-WordPress — pull request #212 by tmort (2012-10-10 14:16:48+00:00)
Title: Added filter to show meta boxes based on slug

Added function to filter meta boxes and display on a page slug
rather than ID or page template. Makes it easier to target over
multiple installs and when moving databases around (making the ID's
change).