[pgpool-committers: 5560] pgpool: Doc: Add release-notes 4.0.4-3.4.23.

[Bo Peng]

Doc: Add release-notes 4.0.4-3.4.23.

Branch
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V4_0_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=81d457b3ad8b52fce568fbcdfdcbca7c8d85f59f

Modified Files
--------------
doc.ja/src/sgml/release-3.4.sgml | 114 ++++++++++++++++++++++++++++
doc.ja/src/sgml/release-3.5.sgml | 114 ++++++++++++++++++++++++++++
doc.ja/src/sgml/release-3.6.sgml | 115 +++++++++++++++++++++++++++++
doc.ja/src/sgml/release-3.7.sgml | 115 +++++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.0.sgml | 155 +++++++++++++++++++++++++++++++++++++++
doc/src/sgml/release-3.4.sgml    |  71 ++++++++++++++++++
doc/src/sgml/release-3.5.sgml    |  71 ++++++++++++++++++
doc/src/sgml/release-3.6.sgml    |  72 ++++++++++++++++++
doc/src/sgml/release-3.7.sgml    |  72 ++++++++++++++++++
doc/src/sgml/release-4.0.sgml    |  98 +++++++++++++++++++++++++
10 files changed, 997 insertions(+)