pg-migrator - pg_migrator: Update code to use 9.0 version numbering,

Log Message:
-----------
Update code to use 9.0 version numbering, instead of 8.5.

Modified Files:
--------------
    pg_migrator/func:
        pg_migrator_sysoids.c (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/func/pg_migrator_sysoids.c?r1=1.3&r2=1.4)
        pg_migrator_toast.c (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/func/pg_migrator_toast.c?r1=1.1&r2=1.2)
    pg_migrator/src:
        check.c (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/src/check.c?r1=1.4&r2=1.5)
        pg_migrator.h (r1.101 -> r1.102)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/src/pg_migrator.h?r1=1.101&r2=1.102)
        version.c (r1.41 -> r1.42)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/src/version.c?r1=1.41&r2=1.42)