Java eXPerience FrameWork SvnCode

Updated data sources.
Only two data sources are now necessary for jxpfw.

Updated javadoc comment to reflect that a lot of facade methods are being called.

Cleaned up some jpa query code.
ADded code to the client that removed the same entity twice.

Added Periodic_Table, Planets and Moons tables.

Added spaces to the annotations to keep checkstyle happy.

Updated the PeriodicTable example.
Finders now return a single element.
Client has been expanded and now contains code to insert an Element plus the handling of exceptions.

Removed the jpa code from the try catch block.

Updated toString method of an Element.

Finalized.

Documented the client code.
Removed thye optional name attribute from the PeriodicTableFacade.