added examples to MacOSX project

1.HelloWorld
15.LoadIrrFile
16.Quake3Shader


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1147 dfc29bdd-3216-0410-991c-e03cc46cb475

examples/01.HelloWorld/main.cpp

@@ -109,8 +109,13 @@ int main()
 	*/
 
 	IrrlichtDevice *device =
+#ifdef MACOSX
+		createDevice( video::EDT_OPENGL, dimension2d<s32>(640, 480), 16,
+			false, false, false, 0);
+#else
 		createDevice( video::EDT_SOFTWARE, dimension2d<s32>(640, 480), 16,
 			false, false, false, 0);
+#endif
 
 	/*
 	Set the caption of the window to some nice text. Note that there is