Generator library has a flat package structure

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All of the classes in the Denumerous generator library are in the same 
package (com.sf.denumerous).  They should be reorganized for easier 
understanding of what classes are related.  For example, all classes 
related to a particular generator should be in the same package.

Original issue reported on code.google.com by msenne...@gmail.com on 13 Apr 2010 at 1:03