[pgpool-committers: 7931] pgpool: Add release notes.

[Masaya Kawamoto]

Add release notes.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=8308a32cd4dffc111eb6a0fd9201e53721d82744

Modified Files
--------------
doc.ja/src/sgml/release-3.6.sgml | 161 ++++++++++++++++
doc.ja/src/sgml/release-3.7.sgml | 230 +++++++++++++++++++++++
doc.ja/src/sgml/release-4.0.sgml | 230 +++++++++++++++++++++++
doc.ja/src/sgml/release-4.1.sgml | 336 ++++++++++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.2.sgml | 386 +++++++++++++++++++++++++++++++++++++++
doc/src/sgml/release-3.6.sgml    | 163 +++++++++++++++++
doc/src/sgml/release-3.7.sgml    | 232 +++++++++++++++++++++++
doc/src/sgml/release-4.0.sgml    | 232 +++++++++++++++++++++++
doc/src/sgml/release-4.1.sgml    | 336 ++++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.2.sgml    | 386 +++++++++++++++++++++++++++++++++++++++
10 files changed, 2692 insertions(+)