First commit of 2008, Happy New Year!

Add option to compile without btClock and without profiling: comment out USE_BT_CLOCK, and #define BT_NO_PROFILE
Fixed typo/case in #include "LinearMath/btQuickProf.h", in SpuParallelSolver.cpp
Removed unnecessary files from libxml CMakeLists.txt

Demos/AllBulletDemos/Main.cpp

@@ -83,7 +83,9 @@ DemoApplication* CreatDemo(btDemoEntry* entry)
 		demo->getDynamicsWorld()->setDebugDrawer(&gDebugDrawer);
 	}
 	
+#ifndef BT_NO_PROFILE
 	CProfileManager::Reset();
+#endif //BT_NO_PROFILE
 
 	return demo;