pgsql: Backpatch FAQs to 8.1.X.

Log Message:
-----------
Backpatch FAQs to 8.1.X.

Tags:
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REL8_1_STABLE

Modified Files:
--------------
pgsql/doc:
FAQ (r1.362.2.11 -> r1.362.2.12)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ.diff?r1=1.362.2.11&r2=1.362.2.12)
FAQ_AIX (r1.14.2.17 -> r1.14.2.18)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_AIX.diff?r1=1.14.2.17&r2=1.14.2.18)
FAQ_DEV (r1.99.2.4 -> r1.99.2.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_DEV.diff?r1=1.99.2.4&r2=1.99.2.5)
FAQ_HPUX (r1.13 -> r1.13.6.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_HPUX.diff?r1=1.13&r2=1.13.6.1)
FAQ_Solaris (r1.18 -> r1.18.8.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_Solaris.diff?r1=1.18&r2=1.18.8.1)
FAQ_japanese (r1.24.2.6 -> r1.24.2.7)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_japanese.diff?r1=1.24.2.6&r2=1.24.2.7)
FAQ_russian (r1.28.2.1 -> r1.28.2.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_russian.diff?r1=1.28.2.1&r2=1.28.2.2)
pgsql/doc/src/FAQ:
FAQ.html (r1.318.2.11 -> r1.318.2.12)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ.html.diff?r1=1.318.2.11&r2=1.318.2.12)
FAQ_DEV.html (r1.102.2.4 -> r1.102.2.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_DEV.html.diff?r1=1.102.2.4&r2=1.102.2.5)
FAQ_chinese.html (r1.9 -> r1.9.2.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_chinese.html.diff?r1=1.9&r2=1.9.2.1)
FAQ_japanese.html (r1.24.2.6 -> r1.24.2.7)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_japanese.html.diff?r1=1.24.2.6&r2=1.24.2.7)
FAQ_russian.html (r1.30.2.1 -> r1.30.2.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_russian.html.diff?r1=1.30.2.1&r2=1.30.2.2)