[pgpool-committers: 6555] pgpool: Doc: add release-notes.

[Bo Peng]

Doc: add release-notes.

Branch
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V4_1_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=b15aa7b49e9b83592e4952252d066d6ee563aba8

Modified Files
--------------
doc.ja/src/sgml/release-3.5.sgml | 108 ++++++++++++++++++
doc.ja/src/sgml/release-3.6.sgml | 122 ++++++++++++++++++++
doc.ja/src/sgml/release-3.7.sgml | 184 ++++++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.0.sgml | 195 ++++++++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.1.sgml | 236 +++++++++++++++++++++++++++++++++++++++
doc/src/sgml/release-3.5.sgml    |  77 +++++++++++++
doc/src/sgml/release-3.6.sgml    |  89 +++++++++++++++
doc/src/sgml/release-3.7.sgml    | 124 ++++++++++++++++++++
doc/src/sgml/release-4.0.sgml    | 147 ++++++++++++++++++++++++
doc/src/sgml/release-4.1.sgml    | 173 ++++++++++++++++++++++++++++
10 files changed, 1455 insertions(+)