woothemes/woocommerce — pull request #6306 by loushou (2014-09-18 16:17:43+00:00)
Title: filters for adding additional columns to each order item in order metabox

Subset of #6291 . Series of filters to allow additional columns, added to the end of the column list, to each order line item in the order item metabox, on the edit order page.