pg-migrator - pg_migrator: Add support for EnterpriseDB Advance Server

Log Message:
-----------
Add support for EnterpriseDB Advance Server migration.

Modified Files:
--------------
    pg_migrator/src:
        controldata.c (r1.20 -> r1.21)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/src/controldata.c?r1=1.20&r2=1.21)
        exec.c (r1.9 -> r1.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/src/exec.c?r1=1.9&r2=1.10)
        file.c (r1.25 -> r1.26)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/src/file.c?r1=1.25&r2=1.26)
        info.c (r1.20 -> r1.21)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/src/info.c?r1=1.20&r2=1.21)
        pg_migrator.c (r1.60 -> r1.61)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/src/pg_migrator.c?r1=1.60&r2=1.61)
        pg_migrator.h (r1.66 -> r1.67)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/src/pg_migrator.h?r1=1.66&r2=1.67)
        relfilenode.c (r1.27 -> r1.28)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/src/relfilenode.c?r1=1.27&r2=1.28)