Expand SITL run

Tools/sitl_run.sh

@@ -82,12 +82,22 @@ then
 		echo "You need to have gazebo simulator installed!"
 		exit 1
 	fi
+elif [ "$program" == "replay" ] && [ "$no_sim" == "" ]
+then
+	echo "Replaying logfile: $logfile"
+	# This is not a simulator, but a log file to replay
 fi
+
 cd $build_path/src/firmware/posix
 mkdir -p rootfs/fs/microsd
 mkdir -p rootfs/eeprom
 touch rootfs/eeprom/parameters
 
+if [ "$logfile" != "" ]
+then
+	cp $logfile rootfs/replay.px4log
+fi
+
 # Do not exit on failure now from here on because we want the complete cleanup
 set +e