[pgpool-committers: 3428] 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_4_STABLE

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=f35cfa2cc694227779f7c197b649402e1aa1c4ad

Modified Files
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doc/pgpool-en.html | 5 ++++-
doc/pgpool-ja.html | 4 +++-
2 files changed, 7 insertions(+), 2 deletions(-)