[pgpool-committers: 4939] pgpool: Enhance online recovery document.

[Tatsuo Ishii]

Enhance online recovery document.

Clarify that 2nd stage command is only required in native replication
mode.

Branches
--------
SCRAM_AUTH
master
query_cache

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=19033253e81a4cc9b78ffd252fc79b94bebd7489

Modified Files
--------------
doc.ja/src/sgml/online-recovery.sgml       | 70 +++++++++++++++++++-----
doc.ja/src/sgml/ref/pcp_recovery_node.sgml |  2 +
doc/src/sgml/online-recovery.sgml          | 87 ++++++++++++++++++++----------
doc/src/sgml/ref/pcp_recovery_node.sgml    |  3 +-
4 files changed, 119 insertions(+), 43 deletions(-)