added cppunit unit testing framework, using cmake, stripped out the original build systems.

added starting point for Bullet unit tests, with one example unit test
Enable the option BUILD_UNIT_TESTS in cmake to build the test. Note that the test doesn't automatically run.

UnitTests/cppunit/CMakeLists.txt

@@ -0,0 +1,74 @@
+INCLUDE_DIRECTORIES(
+	include
+)
+	
+ADD_LIBRARY(cppunit
+
+#core
+	src/cppunit/AdditionalMessage.cpp
+	src/cppunit/Asserter.cpp
+	src/cppunit/Exception.cpp
+	src/cppunit/Message.cpp
+	src/cppunit/SourceLine.cpp
+	src/cppunit/SynchronizedObject.cpp
+	src/cppunit/Test.cpp
+	src/cppunit/TestAssert.cpp
+	src/cppunit/TestCase.cpp
+	src/cppunit/TestComposite.cpp
+	src/cppunit/TestFailure.cpp
+	src/cppunit/TestLeaf.cpp
+	src/cppunit/TestPath.cpp
+	src/cppunit/TestResult.cpp
+	src/cppunit/TestRunner.cpp
+	src/cppunit/TestSuite.cpp
+
+#extension	
+	src/cppunit/RepeatedTest.cpp
+	src/cppunit/TestCaseDecorator.cpp
+	src/cppunit/TestDecorator.cpp
+	src/cppunit/TestSetUp.cpp
+	
+#helper
+	src/cppunit/TestFactoryRegistry.cpp
+	src/cppunit/TestNamer.cpp
+	src/cppunit/TestSuiteBuilderContext.cpp
+	src/cppunit/TypeInfoHelper.cpp
+	
+#listener
+	src/cppunit/BriefTestProgressListener.cpp
+	src/cppunit/TestResultCollector.cpp
+	src/cppunit/TestSuccessListener.cpp
+	src/cppunit/TextTestProgressListener.cpp
+	src/cppunit/TextTestResult.cpp
+	
+#output
+	src/cppunit/CompilerOutputter.cpp
+	src/cppunit/TextOutputter.cpp
+	src/cppunit/XmlOutputter.cpp
+	src/cppunit/XmlOutputterHook.cpp
+	
+#plugin	
+	src/cppunit/BeOsDynamicLibraryManager.cpp
+	src/cppunit/DynamicLibraryManager.cpp
+	src/cppunit/DynamicLibraryManagerException.cpp
+	src/cppunit/PlugInManager.cpp
+	src/cppunit/PlugInParameters.cpp
+	src/cppunit/ShlDynamicLibraryManager.cpp
+	src/cppunit/TestPlugInDefaultImpl.cpp
+	src/cppunit/UnixDynamicLibraryManager.cpp
+	src/cppunit/Win32DynamicLibraryManager.cpp
+	
+#protector
+	src/cppunit/DefaultProtector.cpp
+	src/cppunit/Protector.cpp
+	src/cppunit/ProtectorChain.cpp
+	
+#textui
+	src/cppunit/TextTestRunner.cpp
+	
+#tools
+	src/cppunit/StringTools.cpp
+	src/cppunit/XmlDocument.cpp
+	src/cppunit/XmlElement.cpp
+	
+)