[pgpool-committers: 6718] pgpool: Doc: Add release-note.

[Bo Peng]

Doc: Add release-note.

Branch
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V4_0_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=124c3e429262a3e70579d7076b14b8f6f177f90c

Modified Files
--------------
doc.ja/src/sgml/release-3.5.sgml |  65 +++++++++++
doc.ja/src/sgml/release-3.6.sgml | 132 ++++++++++++++++++++++
doc.ja/src/sgml/release-3.7.sgml | 162 +++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.0.sgml | 235 +++++++++++++++++++++++++++++++++++++++
doc.ja/src/sgml/version.sgml     |   2 +-
doc/src/sgml/release-3.5.sgml    |  44 ++++++++
doc/src/sgml/release-3.6.sgml    |  92 +++++++++++++++
doc/src/sgml/release-3.7.sgml    | 113 +++++++++++++++++++
doc/src/sgml/release-4.0.sgml    | 175 +++++++++++++++++++++++++++++
doc/src/sgml/version.sgml        |   2 +-
10 files changed, 1020 insertions(+), 2 deletions(-)