Issue #2107699 by InternetDevels, djevans: Output the RDFa prefix mappings on the same line.
Issue #2100959 by damiankloip, mr.baileys, jibran: Views secondary action links escapes html twice.
Issue #2169505 by Wim Leers: Clean up Edit's Plugin class names and file locations.
Issue #1636992 follow-up by nod_, droplet: Follow-up: form.js' formUpdated event is unreliable/incomplete.
Issue follow-up #535616 by jhodgdon: Fix spacing issue.