Twenty Fourteen: proper i18n and translator context for date formatted strings in archive template. Props Frank Klein and mako09, fixes #26367.
Built from https://develop.svn.wordpress.org/trunk@26576


git-svn-id: http://core.svn.wordpress.org/trunk@26467 1a063a9b-81f0-0310-95a4-ce76da25c4cd