[pgpool-committers: 4544] pgpool: Add release-notes 3.7.2 - 3.3.20.

[Bo Peng]

Add release-notes 3.7.2 - 3.3.20.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=910aa738c730063140bbe7065ff67ddcdee7e68a

Modified Files
--------------
doc.ja/src/sgml/release-3.3.sgml |  63 +++++++++++
doc.ja/src/sgml/release-3.4.sgml |  88 +++++++++++++++
doc.ja/src/sgml/release-3.5.sgml | 143 +++++++++++++++++++++++
doc.ja/src/sgml/release-3.6.sgml | 155 +++++++++++++++++++++++++
doc.ja/src/sgml/release-3.7.sgml | 237 +++++++++++++++++++++++++++++++++++++++
doc.ja/src/sgml/version.sgml     |   2 +-
doc/src/sgml/release-3.3.sgml    |  49 ++++++++
doc/src/sgml/release-3.4.sgml    |  71 ++++++++++++
doc/src/sgml/release-3.5.sgml    | 113 +++++++++++++++++++
doc/src/sgml/release-3.6.sgml    | 125 +++++++++++++++++++++
doc/src/sgml/release-3.7.sgml    | 190 ++++++++++++++++++++++++++++++-
doc/src/sgml/version.sgml        |   2 +-
12 files changed, 1235 insertions(+), 3 deletions(-)