Japanese translation updates.
Japanese translation updates.

* subversion/po/ja.po: Add 12 extra messages and their translations,
  which is required by source code at r31471, as obsolete entries.
  Now ja.po has 1671 translated messages against r27227 (Emacs PO-mode
  status: "1671t+664o").

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion