[jdom-interest] Attribute.getBooleanValue()

[philip.nelson at omniresources.com]

> The logic is that Element is "busy enough" as is.  If you want
> conversion you can get the attribute as an Attribute and then have
> access to additional methods.  Element retains just one convenience
> method.

Now that Alex is looking to putting this sort of functionality in a helper
class, would it make sense to remove it from Attribute as well?  I don't
remember the signatures well enough to know if this was what Alex is
thinking but it seems to be a possibility.