Wip/martyn/t7270 remove duplicates add dates

content/designs/application-bundle-metadata.md

@@ -4,6 +4,7 @@ short-description = "Associating arbitrary metadata with entire app-bundles (imp
 weight = 100
 aliases = [ "/old-designs/latest/application-bundle-metadata.html",]
 outputs = [ "html", "pdf-in",]
+date = " 2016-08-05"
 +++
 
 # Application bundle metadata