[pgpool-committers: 9641] pgpool: Doc: Add Japanese 4.5 release note.

[Bo Peng]

Doc: Add Japanese 4.5 release note.

Branch
------
V4_5_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=fa5b82609f0de9f721a918e104ade7ab4ba1ade4

Modified Files
--------------
doc.ja/src/sgml/filelist.sgml    |   1 +
doc.ja/src/sgml/release-4.5.sgml | 469 +++++++++++++++++++++++++++++++++++++++
doc.ja/src/sgml/release.sgml     |   1 +
doc/src/sgml/release-4.5.sgml    |  60 ++---
4 files changed, 504 insertions(+), 27 deletions(-)