cppunit - ATTN non/old g++ port maintainers.

[Robert Collins]

Rather than building our test scripts up to be more and more complex, 
I'm considering dropping a copy of cppunit (JUnit for C++) into squid.

CPPUnit doesn't use esoteric features AFAIK, and is known to work on 
Visual C++ and g++.

Are there any objections to this? I'm happy to create a devel branch 
with a couple of converted tests and the cppunit code attached, so that 
you can test easily, if that would help.

(N.b. as the C++ flags have to match between cppunit and the test cases, 
it's better to include the cppunit source and build with squid (but not 
install) than require folk to have it pre installed. Except on Windows, 
most systems will have more than one C++ variant available...)

Rob