[Pgpool-committers] pgpool - pgpool-II: Add child_idle_limit.

[User T-ishii]

Log Message:
-----------
Add child_idle_limit.
# If child_idle_limit is n (n > 0), the child is forced to be
# disconnected after n seconds idle between transactions.
# 0 means no disconnect.

Need to work on show pool_status and docs.

Modified Files:
--------------
    pgpool-II:
        Makefile.am (r1.10 -> r1.11)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/Makefile.am.diff?r1=1.10&r2=1.11)
        Makefile.in (r1.14 -> r1.15)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/Makefile.in.diff?r1=1.14&r2=1.15)
        pgpool.conf.sample (r1.9 -> r1.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pgpool.conf.sample.diff?r1=1.9&r2=1.10)
        pool.h (r1.17 -> r1.18)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool.h.diff?r1=1.17&r2=1.18)
        pool_config.c (r1.11 -> r1.12)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_config.c.diff?r1=1.11&r2=1.12)
        pool_config.l (r1.9 -> r1.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_config.l.diff?r1=1.9&r2=1.10)
        pool_process_query.c (r1.52 -> r1.53)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_process_query.c.diff?r1=1.52&r2=1.53)
    pgpool-II/parser:
        Makefile.am (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/parser/Makefile.am.diff?r1=1.2&r2=1.3)
        Makefile.in (r1.9 -> r1.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/parser/Makefile.in.diff?r1=1.9&r2=1.10)
        gram.c (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/parser/gram.c.diff?r1=1.5&r2=1.6)
        gram.h (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/parser/gram.h.diff?r1=1.5&r2=1.6)