more improvements, copy testFile.bullet to target binary directory (cmake), fix some warnings

Demos/OpenGL/GLDebugDrawer.cpp

@@ -107,7 +107,7 @@ void	GLDebugDrawer::draw3dText(const btVector3& location,const char* textString)
 
 void	GLDebugDrawer::reportErrorWarning(const char* warningString)
 {
-	printf(warningString);
+	printf("%s\n",warningString);
 }
 
 void	GLDebugDrawer::drawContactPoint(const btVector3& pointOnB,const btVector3& normalOnB,btScalar distance,int lifeTime,const btVector3& color)

Demos/SerializeDemo/CMakeLists.txt

@@ -61,3 +61,10 @@ ELSE (USE_GLUT)
 		SerializeDemo.h
 	)
 ENDIF (USE_GLUT)
+
+ADD_CUSTOM_COMMAND(
+TARGET AppSerializeDemo 
+POST_BUILD
+COMMAND ${CMAKE_COMMAND} ARGS -E copy_if_different ${BULLET_PHYSICS_SOURCE_DIR}/Demos/SerializeDemo/testFile.bullet ${CMAKE_CURRENT_BINARY_DIR}
+)
+