pgsql: Backpatch FAQs to stable branch.

Log Message:
-----------
Backpatch FAQs to stable branch.

Tags:
----
REL8_2_STABLE

Modified Files:
--------------
    pgsql/doc:
        FAQ (r1.402.2.3 -> r1.402.2.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ.diff?r1=1.402.2.3&r2=1.402.2.4)
        FAQ_AIX (r1.19.2.3 -> r1.19.2.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_AIX.diff?r1=1.19.2.3&r2=1.19.2.4)
        FAQ_HPUX (r1.14.2.3 -> r1.14.2.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_HPUX.diff?r1=1.14.2.3&r2=1.14.2.4)
        FAQ_IRIX (r1.3.12.3 -> r1.3.12.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_IRIX.diff?r1=1.3.12.3&r2=1.3.12.4)
        FAQ_MINGW (r1.5.2.1 -> r1.5.2.2)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_MINGW.diff?r1=1.5.2.1&r2=1.5.2.2)
        FAQ_SCO (r1.11.8.3 -> r1.11.8.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_SCO.diff?r1=1.11.8.3&r2=1.11.8.4)
        FAQ_Solaris (r1.22.2.4 -> r1.22.2.5)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_Solaris.diff?r1=1.22.2.4&r2=1.22.2.5)
        FAQ_brazilian (r1.9 -> r1.9.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_brazilian.diff?r1=1.9&r2=1.9.2.1)
        FAQ_chinese (r1.5 -> r1.5.4.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_chinese.diff?r1=1.5&r2=1.5.4.1)
        FAQ_czech (r1.4 -> r1.4.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_czech.diff?r1=1.4&r2=1.4.2.1)
        FAQ_french (r1.4 -> r1.4.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_french.diff?r1=1.4&r2=1.4.2.1)
        FAQ_german (r1.21 -> r1.21.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_german.diff?r1=1.21&r2=1.21.2.1)
        FAQ_japanese (r1.36.2.1 -> r1.36.2.2)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_japanese.diff?r1=1.36.2.1&r2=1.36.2.2)
        FAQ_polish (r1.4 -> r1.4.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_polish.diff?r1=1.4&r2=1.4.2.1)
        FAQ_turkish (r1.8 -> r1.8.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_turkish.diff?r1=1.8&r2=1.8.2.1)
    pgsql/doc/src/FAQ:
        FAQ.html (r1.358.2.3 -> r1.358.2.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ.html.diff?r1=1.358.2.3&r2=1.358.2.4)
        FAQ_brazilian.html (r1.11 -> r1.11.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_brazilian.html.diff?r1=1.11&r2=1.11.2.1)
        FAQ_chinese.html (r1.10 -> r1.10.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_chinese.html.diff?r1=1.10&r2=1.10.2.1)
        FAQ_czech.html (r1.6 -> r1.6.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_czech.html.diff?r1=1.6&r2=1.6.2.1)
        FAQ_french.html (r1.6 -> r1.6.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_french.html.diff?r1=1.6&r2=1.6.2.1)
        FAQ_german.html (r1.22 -> r1.22.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_german.html.diff?r1=1.22&r2=1.22.2.1)
        FAQ_japanese.html (r1.36.2.1 -> r1.36.2.2)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_japanese.html.diff?r1=1.36.2.1&r2=1.36.2.2)
        FAQ_polish.html (r1.6 -> r1.6.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_polish.html.diff?r1=1.6&r2=1.6.2.1)
        FAQ_turkish.html (r1.9 -> r1.9.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_turkish.html.diff?r1=1.9&r2=1.9.2.1)