Xhosa: revert untranslated entries
Add some other files that shouldn't be untranslated
Xhosa: update again against Aurora 21

We got Aurora 20 files from the translators so remigrate to 21.
Xhosa: process a number of fixes
Templates: 77 char and \n fix
Templates: metro has been dropped
Xhosa: fix escapes from DTD escaping fixes in toolkit