CodingGuideLines.txt: added. CppUnit's coding guidelines for portability.

* include/cppunit/portability/CppUnitStack.h: added. wrapper for std::stack.

* include/cppunit/portability/CppUnitSet.h: added. wrapper for std::set.

* include/cppunit/ui/text/TestRunner.h: fixed namespace definition for
deprecated TestRunner.

* include/cppunit/TestAssert.h:
* src/cppunit/TestAssert.cpp: removed old deprecated functions that did
not use SourceLine. Moved assertEquals() and assertDoubleEquals() into
CppUnit namespace.

* src/cppunit/TestFactoryRegistry.cpp: use CppUnitMap instead of std::map.

* src/DllPlugInTester/CommandLineParser.h: use CppUnitDeque instead
std::deque.

* examples/cppunittest/*.h:
* examples/cppunittest/*.cpp: removed all usage of CppUnitTest namespace.
Everything is now in global space.

* examples/*/*.h:
* examples/*/*.cpp: replaced usage of CppUnit:: with CPPUNIT_NS::.

* examples/ClockerPlugIn/ClockerModel.h: use CppUnit STL wrapper instead
of STL container.

release 1.9.8

* include/cppunit/plugin/TestPlugIn.h: updated documentation.

* include/cppunit/tools/XmlDocument.h: updated documentation.

* include/cppunit/tools/StringTools.h:
* src/cppunit/StringTools.cpp: added split() and wrap() functions.

* include/cppunit/CompilerOutputter.h:
* src/cppunit/CompilerOutputter.cpp: extracted wrap() and
splitMessageIntoLines() to StringTools.

* include/cppunit/XmlOutputterHook.h:
* src/cppunit/XmlOutputterHook.cpp: removed rooNode parameter from
beginDocument() and endDocument(). It can be retreive from document.
Renamed 'node' occurences to 'element'.

* include/cppunit/XmlOutputter.h:
* src/cppunit/XmlOutputter.cpp: updated against
XmlOutputterHook changes. Renamed 'node' occurences to 'element'.

* examples/ClockerPlugIn/ClockerXmlHook.h:
* examples/ClockerPlugIn/ClockerXmlHook.cpp: updated against
XmlOutputterHook changes.

* examples/cppunittest/XmlElementTest.h:
* examples/cppunittest/XmlElementTest.cpp: Renamed 'node' occurences
to 'element'.

* examples/cppunittest/XmlOutputterTest.cpp: updated against
XmlOutputterHook changes.

* examples/cppunittest/StringToolsTest.h:
* examples/cppunittest/StringToolsTest.cpp: added. Unit tests for
StringTools. Turn out that VC++ dismiss empty lines in tools output,
which is the reason why empty lines where not printed in
CompilerOutputter.