pgsql: Documentation fixes for FILLFACTOR patch.

Log Message:
-----------
Documentation fixes for FILLFACTOR patch.  Minor other editorialization.

Modified Files:
--------------
    pgsql/doc/src/sgml/ref:
        alter_index.sgml (r1.9 -> r1.10)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/alter_index.sgml.diff?r1=1.9&r2=1.10)
        alter_table.sgml (r1.86 -> r1.87)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/alter_table.sgml.diff?r1=1.86&r2=1.87)
        create_index.sgml (r1.53 -> r1.54)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_index.sgml.diff?r1=1.53&r2=1.54)
        create_table.sgml (r1.103 -> r1.104)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_table.sgml.diff?r1=1.103&r2=1.104)
        create_table_as.sgml (r1.33 -> r1.34)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_table_as.sgml.diff?r1=1.33&r2=1.34)
        reindex.sgml (r1.30 -> r1.31)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/reindex.sgml.diff?r1=1.30&r2=1.31)