[pgpool-committers: 8100] pgpool: Doc: add mention about failover_on_backend_shutdown to the migr

[Tatsuo Ishii]

Doc: add mention about failover_on_backend_shutdown to the migration section in Japanese doc.

Also translate into Japanese new documents added in:
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=4760459d45e33b573458e3973e192c43077f7eb1

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=ef549699f25fcfcb98ee09ec55b672b083d642d5

Modified Files
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doc.ja/src/sgml/release-4.3.sgml |  48 ++++++++++-
doc.ja/src/sgml/watchdog.sgml    | 166 +++++++++++++++++++++++++++++++++++++++
2 files changed, 212 insertions(+), 2 deletions(-)