[jdom-interest] Checking for attributes without namespace in class Element

[philip.nelson at omniresources.com]

> > The attribute is not updated, it is replaced.  In the case of 
> > no namespace,
> > it can immediately be replaced.  
> 
> To me this description does not seem match the b7 source. For the
> no-namespace case, taking the code for setAttribute(Attribute 
> attribute) and
> trimming out all the namespace-specific code, etc., we are left with: 

OK, I was assuming that I had tested that but I hadn't tested updates in the
tests for setAttribute.  The tests are there now and Jason has fixed it.