[jdom-interest] getMixedContent -> getContent

[Jason Hunter]

Tom Bradford wrote:
> 
> Then you can make calls like:
> 
> Element[] elems = (Element[])elem.getContent(Content.Elements);
> 
> or
> 
> Object[] objs = (Object[])elem.getContent(Content.All);

With FilterList it'd be more like:

List elems = elem.getContent(ElementFilter.instance);

-jh-