dbi-link - dbi-link: Moved MySQL tests into their own directory.

Log Message:
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Moved MySQL tests into their own directory.
Replaced the 'World' example with Sakila.

Added Files:
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    dbi-link/test/mysql:
        mysql.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dbi-link/dbi-link/test/mysql/mysql.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        mysql.t (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dbi-link/dbi-link/test/mysql/mysql.t?rev=1.1&content-type=text/x-cvsweb-markup)
        sakila-data.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dbi-link/dbi-link/test/mysql/sakila-data.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        sakila-schema.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dbi-link/dbi-link/test/mysql/sakila-schema.sql?rev=1.1&content-type=text/x-cvsweb-markup)

Removed Files:
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    dbi-link/test:
        mysql.sql
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dbi-link/dbi-link/test/mysql.sql)
        mysql.t
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dbi-link/dbi-link/test/mysql.t)