[pgpool-committers: 3426] pgpool: Add comment to the document about connection_cache.

[Tatsuo Ishii]

Add comment to the document about connection_cache.

Mention that connections to template0, template1, postgres and
regression databases are not cached even if connection_cache is on.

Branch
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V3_1_STABLE

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=97a61546c8f8298fe73f2c51b96e6697ac728b02

Modified Files
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doc/pgpool-en.html | 7 +++++--
doc/pgpool-ja.html | 4 +++-
2 files changed, 8 insertions(+), 3 deletions(-)