aupg - aupg_src: Cleaned up and document RWL work to date.

Log Message:
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Cleaned up and document RWL work to date.  Works well for plain vanilla schemata.

Added Files:
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    aupg_src/sql:
        _test_setup.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/aupg/aupg_src/sql/_test_setup.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        _test_takedown.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/aupg/aupg_src/sql/_test_takedown.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        audit_infrastructure.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/aupg/aupg_src/sql/audit_infrastructure.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        audit_test_cds.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/aupg/aupg_src/sql/audit_test_cds.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        test.sh (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/aupg/aupg_src/sql/test.sh?rev=1.1&content-type=text/x-cvsweb-markup)
        transactional_test.sh (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/aupg/aupg_src/sql/transactional_test.sh?rev=1.1&content-type=text/x-cvsweb-markup)