- Restored the 'reset' command

- Linux client: detects offline mode and blocks commands which need a connected Proxmark3 (still do to on Windows)

armsrc/appmain.c

@@ -704,6 +704,7 @@ void UsbPacketReceived(BYTE *packet, int len)
 #endif
         case CMD_SETUP_WRITE:
 		case CMD_FINISH_WRITE:
+		case CMD_HARDWARE_RESET:
 			USB_D_PLUS_PULLUP_OFF();
 			SpinDelay(1000);
 			SpinDelay(1000);
@@ -713,6 +714,7 @@ void UsbPacketReceived(BYTE *packet, int len)
 			}
 			break;
 
+
 		default:
 			DbpString("unknown command");
 			break;