pg-migrator - src: Adjust version-check code; work on README.

Log Message:
-----------
Adjust version-check code;  work on README.

Modified Files:
--------------
    src:
        README (r1.6 -> r1.7)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/README.diff?r1=1.6&r2=1.7)
        pg_migrator.c (r1.76 -> r1.77)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/pg_migrator.c.diff?r1=1.76&r2=1.77)
        relfilenode.c (r1.17 -> r1.18)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/relfilenode.c.diff?r1=1.17&r2=1.18)
        server.c (r1.9 -> r1.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/server.c.diff?r1=1.9&r2=1.10)

Added Files:
-----------
    src:
        DEVTEST (r1.1)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/DEVTEST?rev=1.1&content-type=text/x-cvsweb-markup)
        IMPLEMENATION (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/IMPLEMENATION?rev=1.1&content-type=text/x-cvsweb-markup)