RFR 8062198: Add RowSetMetaDataImpl Tests and add column range validation to isdefinitlyWritable

[Lance Andersen]

Hi all,

Need a reviewer for  the RowSetMetaDataImpl tests which also includes a fix to isDefinitelyWritable so that it validates the column index ranges

Included are some minor housekeeping changes to remove redundant classes

The webrev can be found at  http://cr.openjdk.java.net/~lancea/8062198/webrev.00/

Best
Lance


Lance Andersen| Principal Member of Technical Staff | +1.781.442.2037
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