pgsql: Clarify user of "postmaster" vs.

Log Message:
-----------
Clarify user of "postmaster" vs. "server" in FAQs.

Brendan Jurd

Modified Files:
--------------
    pgsql/doc:
        FAQ (r1.433 -> r1.434)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ?r1=1.433&r2=1.434)
        FAQ_AIX (r1.21 -> r1.22)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_AIX?r1=1.21&r2=1.22)
        FAQ_CYGWIN (r1.2 -> r1.3)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_CYGWIN?r1=1.2&r2=1.3)
        FAQ_DEV (r1.143 -> r1.144)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_DEV?r1=1.143&r2=1.144)
    pgsql/doc/src/FAQ:
        FAQ.html (r1.389 -> r1.390)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ.html?r1=1.389&r2=1.390)
        FAQ_DEV.html (r1.147 -> r1.148)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_DEV.html?r1=1.147&r2=1.148)