bizgres - bizgres: Added key transformation stand-in classes for

Log Message:
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Added key transformation stand-in classes for aggregate, dedup, join, merge, sort and split. Code is still under code
reviewbefore being open sourced. 

Added Files:
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    bizgres/KETL/src/com/kni/etl/ketl/transformation:
        Aggregate.java (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/KETL/src/com/kni/etl/ketl/transformation/Aggregate.java?rev=1.1&content-type=text/x-cvsweb-markup)
        Merge.java (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/KETL/src/com/kni/etl/ketl/transformation/Merge.java?rev=1.1&content-type=text/x-cvsweb-markup)
        Split.java (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/KETL/src/com/kni/etl/ketl/transformation/Split.java?rev=1.1&content-type=text/x-cvsweb-markup)
        Dedup.java (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/KETL/src/com/kni/etl/ketl/transformation/Dedup.java?rev=1.1&content-type=text/x-cvsweb-markup)
        Sort.java (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/KETL/src/com/kni/etl/ketl/transformation/Sort.java?rev=1.1&content-type=text/x-cvsweb-markup)
        Join.java (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/KETL/src/com/kni/etl/ketl/transformation/Join.java?rev=1.1&content-type=text/x-cvsweb-markup)