Japanese translation updates.  I'm back from Debian-related works.
Japanese translation updates.  I'm back from Debian-related works.

* subversion/po/ja.po: Update translation against r22972 by working on
  untranslated/fuzzy entries added at r21209:22972.  Also, improve
  translation of some messages and unify terms.
  Now ja.po has 1531 translated messages against r22972 (Emacs PO-mode
  status: "1532t+282o").


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@863047 13f79535-47bb-0310-9956-ffa450edef68

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