[pgpool-committers: 7929] pgpool: Add release notes.

[Masaya Kawamoto]

Add release notes.

Branch
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V3_7_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=0e97c2d46ab437b2e8c52dceb466af5284d9052e

Modified Files
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doc.ja/src/sgml/release-3.6.sgml | 161 +++++++++++++++++++++++++++
doc.ja/src/sgml/release-3.7.sgml | 230 ++++++++++++++++++++++++++++++++++++++
doc.ja/src/sgml/version.sgml     |   2 +-
doc/src/sgml/release-3.6.sgml    | 163 +++++++++++++++++++++++++++
doc/src/sgml/release-3.7.sgml    | 232 +++++++++++++++++++++++++++++++++++++++
doc/src/sgml/version.sgml        |   2 +-
6 files changed, 788 insertions(+), 2 deletions(-)