[pgpool-committers: 9076] pgpool: Doc: Add release notes.

[Bo Peng]

Doc: Add release notes.

Branch
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V4_4_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=3cbad1c89a32f808add0571545254dc6a20d6168

Modified Files
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doc.ja/src/sgml/release-4.0.sgml | 165 ++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.1.sgml | 165 ++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.2.sgml | 165 ++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.3.sgml | 165 ++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.4.sgml | 212 +++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.0.sgml    | 194 ++++++++++++++++++++++++++++++
doc/src/sgml/release-4.1.sgml    | 194 ++++++++++++++++++++++++++++++
doc/src/sgml/release-4.2.sgml    | 194 ++++++++++++++++++++++++++++++
doc/src/sgml/release-4.3.sgml    | 194 ++++++++++++++++++++++++++++++
doc/src/sgml/release-4.4.sgml    | 247 +++++++++++++++++++++++++++++++++++++++
10 files changed, 1895 insertions(+)