[pgpool-committers: 10451] pgpool: Doc: add release notes.

[Taiki Koshino]

Doc: add release notes.

Branch
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V4_5_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=ced287d6e557bdd5004e8735a7f2583d409b352d

Modified Files
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doc.ja/src/sgml/release-4.2.sgml | 140 ++++++++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.3.sgml | 140 ++++++++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.4.sgml | 140 ++++++++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.5.sgml | 155 ++++++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.2.sgml    | 153 +++++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.3.sgml    | 153 +++++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.4.sgml    | 153 +++++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.5.sgml    | 168 +++++++++++++++++++++++++++++++++++++++
8 files changed, 1202 insertions(+)