Code review for 6915797 & 7090178

[Alan Bateman]

Mandy Chung wrote:
>  6915797: Remove sun.tools.jar.JarImageSource that is not used
> 7090178: Move java.util.XMLUtils to another package to avoid split 
> package
>
> Webrev at:
>     http://cr.openjdk.java.net/~mchung/6915797/webrev.00/
>
> The synopsis says it all.
Mostly looks okay to me too.  A few minor comments:

- I assume Properties.XMLUtils can be private.

- In the static initializer then CNFE is ignored but since XMLUtils 
doesn't have a fallback for when sun.util.xml.XMLUtils is not present 
then it might be better to have it fail earlier.

-Alan.