This patch allows to compile the code with gcc's -Weffc++

It consists mostly of making copy constructors and assignment operators
explicit and private, and of initializing all members in initializer lists.

Change-Id: I6f1cae812c58e3791c2386a1288501cf2f559610
Reviewed-on: https://gerrit.libreoffice.org/5424
Reviewed-by: Tor Lillqvist <tml@iki.fi>
Tested-by: Tor Lillqvist <tml@iki.fi>

include/cppunit/extensions/TestNamer.h:
* src/cppunit/TestNamer.cpp: Fixed bug #704684, TestNamer has non-virtual
destructor.

include/cppunit/config/Portability.h: If the compiler does not support
namespace (CPPUNIT_HAVE_NAMESPACES=0), define CPPUNIT_NO_STD_NAMESPACE
and CPPUNIT_NO_NAMESPACE. If CPPUNIT_NO_STD_NAMESPACE is defined, then
CppUnit assumes that STL are in the global namespace. If
CPPUNIT_NO_NAMESPACE is defined, then CppUnit classes are placed in the
global namespace instead of the CppUnit namespace.

* include/cppunit/config/config-bcb5.h:
* include/cppunit/config/config-msvc6.h: added definition of macro
CPPUNIT_HAVE_NAMESPACES.

* include/cppunit/tools/StringTools.h: use CPPUNIT_WRAP_COLUMN as default
parameter value for wrap().

* include/cppunit/*/*.h:
* src/cppunit/*.cpp: changed all CppUnit namespace declaration to use
macros CPPUNIT_NS_BEGIN and CPPUNIT_NS_END. Also, changed reference
to CppUnit namespace (essentially in macros) using CPPUNIT_NS macro.

include/cppunit/extensions/TestSuiteBuilder.h: updated to use TestNamer. Removed
template method addTestCallerForException() which should solve the compilation
issue with Sun 5.0/6.0 compiler.

* include/cppunit/extensions/HelperMacros.h: updated against TestSuiteBuilder
change. Added CPPUNIT_TEST_CUSTOM and CPPUNIT_TEST_CUSTOMS to add custom
tests to the fixture suite.

* include/cppunit/extensions/TestNamer.h:
* src/cppunit/TestNamer.cpp: added, TestNamer to name test case and fixture.