add hand.py/hand.ino used to create this VR glove, using MuJoCo Haptix MPL hand (Apache 2 license)

https://www.youtube.com/watch?v=VMJyZtHQL50
added b3InitSyncBodyInfoCommand, to retrieve body info, when connecting to a server with existing bodies
pybullet will call this b3InitSyncBodyInfoCommand automatically after connecting
Avoid overriding the py.setVRCameraState setting in VR

examples/StandaloneMain/hellovr_opengl_main.cpp

@@ -2246,12 +2246,13 @@ int main(int argc, char *argv[])
 	if (sExample)
 	{
 		//until we have a proper VR gui, always assume we want the hard-coded default robot assets
+#if 0
 		char* newargv[2];
 		char* t0 = (char*)"--robotassets";
         newargv[0] = t0;
 		newargv[1] = t0;
 		sExample->processCommandLineArgs(2,newargv);
-
+#endif
 		sExample->processCommandLineArgs(argc,argv);
 
 	}