pgsql: Update AIX FAQ to show readline options more clearly.

Log Message:
-----------
Update AIX FAQ to show readline options more clearly.

Backpatch FAQ's to 8.1.X.

Tags:
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REL8_1_STABLE

Modified Files:
--------------
    pgsql/doc:
        FAQ (r1.362.2.6 -> r1.362.2.7)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ.diff?r1=1.362.2.6&r2=1.362.2.7)
        FAQ_AIX (r1.14.2.10 -> r1.14.2.11)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_AIX.diff?r1=1.14.2.10&r2=1.14.2.11)
        FAQ_brazilian (r1.7 -> r1.7.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_brazilian.diff?r1=1.7&r2=1.7.2.1)
        FAQ_czech (r1.3 -> r1.3.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_czech.diff?r1=1.3&r2=1.3.2.1)
        FAQ_french (r1.3 -> r1.3.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_french.diff?r1=1.3&r2=1.3.2.1)
        FAQ_german (r1.20 -> r1.20.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_german.diff?r1=1.20&r2=1.20.2.1)
        FAQ_japanese (r1.24.2.3 -> r1.24.2.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_japanese.diff?r1=1.24.2.3&r2=1.24.2.4)
        FAQ_polish (r1.3 -> r1.3.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_polish.diff?r1=1.3&r2=1.3.2.1)
        FAQ_turkish (r1.7 -> r1.7.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_turkish.diff?r1=1.7&r2=1.7.2.1)
    pgsql/doc/src/FAQ:
        FAQ.html (r1.318.2.6 -> r1.318.2.7)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ.html.diff?r1=1.318.2.6&r2=1.318.2.7)
        FAQ_brazilian.html (r1.9 -> r1.9.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_brazilian.html.diff?r1=1.9&r2=1.9.2.1)
        FAQ_czech.html (r1.5 -> r1.5.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_czech.html.diff?r1=1.5&r2=1.5.2.1)
        FAQ_french.html (r1.5 -> r1.5.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_french.html.diff?r1=1.5&r2=1.5.2.1)
        FAQ_german.html (r1.21 -> r1.21.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_german.html.diff?r1=1.21&r2=1.21.2.1)
        FAQ_japanese.html (r1.24.2.3 -> r1.24.2.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_japanese.html.diff?r1=1.24.2.3&r2=1.24.2.4)
        FAQ_polish.html (r1.5 -> r1.5.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_polish.html.diff?r1=1.5&r2=1.5.2.1)
        FAQ_turkish.html (r1.8 -> r1.8.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_turkish.html.diff?r1=1.8&r2=1.8.2.1)