Moved the scripts to the darwin_controller ROS package.

script/launch_gripper_sim.sh

-#!/bin/bash 
-
-# create virtual serial port
-socat -d -d pty,raw,echo=0,link=/tmp/darwin_driver pty,raw,echo=0,link=/tmp/usart3_sim_serial_fw &
-
-ln -s /tmp/darwin_v1_user /tmp/usart1_sim_serial_fw
-ln -s /tmp/darwin_v2_user /tmp/usart2_sim_serial_fw
-ln -s /tmp/darwin_spi_fw /tmp/spi2_sim_serial_fw

script/launch_sim.sh

-#!/bin/bash 
-
-# create virtual serial port
-socat -d -d pty,raw,echo=0,link=/tmp/darwin_driver pty,raw,echo=0,link=/tmp/usart3_sim_serial_fw &
-
-ln -s /tmp/darwin_user /tmp/usart1_sim_serial_fw
-ln -s /tmp/darwin_spi_fw /tmp/spi2_sim_serial_fw

script/stop_sim.sh

-killall socat
-
-rm /tmp/usart1_sim_serial_fw
-rm /tmp/spi2_sim_serial_fw