Fix in btQuickprof that caused crash in ConcaveConvexcastDemo.cpp

Thanks to Roman Ponomarev for the report
Make btVector3::rotate const
Thanks to lepoussin, see Issue 428
CMakeLists.txt improvement: don't copy resources when INTERNAL_CREATE_DISTRIBUTABLE_MSVC_PROJECTFILES is set
CMakeLists.txt improvement: INSTALL_EXTRA_LIBS for ConvexDecomposition and GIMPACTUtils
Thanks to andrebra, see Issue 425

src/LinearMath/btQuickprof.h

@@ -37,6 +37,9 @@ class btClock
 public:
 	btClock();
 
+	btClock(const btClock& other);
+	btClock& operator=(const btClock& other);
+
 	~btClock();
 
 	/// Resets the initial reference time.