[pgpool-committers: 8975] pgpool: Doc: add release note.

[Bo Peng]

Doc: add release note.

Branch
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V4_4_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=664f7dc3b9ecec2fc9d9245745c65471aa70b421

Modified Files
--------------
doc.ja/src/sgml/release-3.7.sgml | 117 +++++++++++++++++
doc.ja/src/sgml/release-4.0.sgml | 212 ++++++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.1.sgml | 212 ++++++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.2.sgml | 221 ++++++++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.3.sgml | 254 ++++++++++++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.4.sgml | 137 ++++++++++++++++++++
doc/src/sgml/release-3.7.sgml    | 123 ++++++++++++++++++
doc/src/sgml/release-4.0.sgml    | 224 ++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.1.sgml    | 224 ++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.2.sgml    | 233 +++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.3.sgml    | 269 +++++++++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.4.sgml    | 139 ++++++++++++++++++++
12 files changed, 2365 insertions(+)