fix many warnings

remove btMultiSapBroadphase.*
make collisionFilterGroup/collisionFilterMark int (instead of short int)

examples/Tutorial/Tutorial.cpp

@@ -292,11 +292,11 @@ public:
     :m_app(guiHelper->getAppInterface()),
 	m_guiHelper(guiHelper),
 	m_tutorialIndex(tutorialIndex),
-	m_stage(0),
-	m_counter(0),
 	m_timeSeriesCanvas0(0),
-	m_timeSeriesCanvas1(0)
-    {
+	m_timeSeriesCanvas1(0),
+	m_stage(0),
+	m_counter(0)	
+	{
 		int numBodies = 1;
 		
 		m_app->setUpAxis(1);