CppUnit - C++ port of JUnit Code

0 is test suite run sucessfuly, 1 otherwise.

* src/cppunit/Exception.cpp : bug fix, operator =() with VC++.
Removed call to std::exception::operator =() which is bugged
on VC++.

* doc/FAQ : added a note explaining why the test
ExceptionTest.testAssignment used to fail.

* NEWS : updated and detailed.

* include/cppunit/TestResult.h :
* src/cppunit/TestResult.cpp : added reset().

* include/cppunit/TextTestRunner.h :
* src/cppunit/TextTestRunner.cpp : Constructor take an optional
TextTestRestult. The TextTestResult remain alive as long as
the runner. Added result() to retreive the result. Printing the
result is now optinal (enabled by default).