Changed calls to getAsHTML() since the method signature changed.
Now uses its own exception image instead of getting it from the jsp bean instance.
Removed showing of property exception at the bottom of the page.
Moved non-message properties to new properties files.
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Correct typo in comment.
May still be moved to new Comparator class.
New type safe enumeration class for order by fields, used within comparators.
Changed updateLocale() method.
Removed style for hidden fields since they have no style.
