Japanese translation updates.
Japanese translation updates.

* subversion/po/ja.po: Re-add 20 extra messages and their translations
  from the 1.4.x branch for easier translation maintenance, which has
  been deleted by msgmerge on trunk.
  Now ja.po has 1671 translated messages against r27227 (Emacs PO-mode
  status: "1671t+652o").


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@871547 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion