RFR(M): 8199940: Print more information about class loaders in IllegalAccessErrors.

[Lindenmaier, Goetz]

Hi,

I finally prepared the webrev for this change.
I simplified the messages wrt. to my first intent that was found too 
verbose.

The IllegalAccessErrors in classFileParser report more verbose 
information about the class loaders. 
As I understand, the class loaders are the reason for the error here, 
so I think information about them is useful. See also the tests 1-3.
I added reporting whether the class is abstract.

In linkResolver, I just switch to class_loader_and_module_name() 
to report a more verbose class name as Lois requested.
I removed mentioning the resolved class in the method case.
I report the modifiers of methods/fields.
But as I understand, even here the class loader can be the reason
of the Error, see tests 6-8.

Please review.  I'm happy to improve the messages further :)
http://cr.openjdk.java.net/~goetz/wr18/8199940-exMsg-IllegalAccess/01/

Best regards,
  Goetz.