[pgpool-committers: 10453] pgpool: Doc: add release notes.

[Taiki Koshino]

Doc: add release notes.

Branch
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V4_3_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=98da2e1ef1673ac5d1d036393c3cf3e112bc8d80

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/src/sgml/release-4.2.sgml    | 153 +++++++++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.3.sgml    | 153 +++++++++++++++++++++++++++++++++++++++
4 files changed, 586 insertions(+)