Release 9.6.4 Japanese Documentation

Merge pull request #996 from koizumistr/release-9.2345_9.6.4

update release-9.[2-5].sgml for 9.6.4

Release 9.6.3 Japanese Documentation

Merge pull request #954 from KenichiroTanaka/contrib963

9.6.3の貢献者を追加

Release 9.6.2 Japanese Documentation

Merge pull request #905 from harukat/work962pltcl

Translate pltcl.sgml for 9.6.2 changes.

Release 9.6.1 Japanese Documentation

Merge pull request #817 from smatsudajp/config2

19.2節（config.sgml ファイルの場所）の翻訳改善

Release 9.6.0 Japanese Documentation

Merge pull request #781 from KenichiroTanaka/contribcredit96

9.6貢献者クレジットの初版です

Release 9.5.4 Japanese Documentation

Merge pull request #652 from koizumistr/fix_backup954

Improve Japanese translation

Release 9.5.3 Japanese Documentation

Merge pull request #591 from smatsudajp/datatype7

datatype.sgml(8.6-8.10)の誤訳訂正と翻訳改善

Release 9.5.2 Japanese Documentation

Merge pull request #573 from noborus/release

リリースx.x.xの表記の統一（スペース無し）

Release 9.5.1 Japanese Documentation

Merge pull request #491 from noborus/addtemplate

Issueのテンプレート追加

Release 9.5.0 Japanese Documentation

Merge pull request #432 from tatsuo-ishii/postgres_fdw

postgres-fdw.sgmlにあった、コピペミスと思われる重複した英文を削除しました。