[Pgpool-committers] pgpool - pgpool-II: Update English documentation.

[User T-ishii]

Log Message:
-----------
Update English documentation.
- add description of new configuration directive 'log_destination'
- add description of new configuration directive 'syslog_facility'
- add description of new configuration directive 'syslog_ident'
- add some lines and sample to 'white_function_list' regex usage
- add some lines and sample to 'black_function_list' regex usage
- add information and fix output sample for the 'id' column on
'pool_nodes' command

Patch provided by Gilles Darold.

Also I added description for black_function_list that having lastval
and currval to black_function_list is a good idea.

Modified Files:
--------------
    pgpool-II/doc:
        pgpool-en.html (r1.82 -> r1.83)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/doc/pgpool-en.html?r1=1.82&r2=1.83)