[respeaker_ros] Display helpful setting command when udev rule is not set.

[tkmtnt7000]

When respeaker_ros is started without setting udev-rules, the command to set udev-rules is displayed as follows.

[ERROR] [1655343700.794731] [/respeaker_node]: You have to give the right permission on respeaker device
[ERROR] [1655343700.796945] [/respeaker_node]: Please run the command as followings to register udev rules
[ERROR] [1655343700.799090] [/respeaker_node]: 
$ roscd respeaker_ros
$ sudo cp -f $(rospack find respeaker_ros)/config/60-respeaker.rules /etc/udev/rules.d/60-respeaker.rules
$ sudo systemctl restart udev
Traceback (most recent call last):
  File "/home/tsukamoto/ros/vendingmachine_demo_ws/src/jsk_3rdparty/respeaker_ros/scripts/respeaker_node.py", line 446, in <module>
    n = RespeakerNode()
  File "/home/tsukamoto/ros/vendingmachine_demo_ws/src/jsk_3rdparty/respeaker_ros/scripts/respeaker_node.py", line 325, in __init__
    self.respeaker = RespeakerInterface()
  File "/home/tsukamoto/ros/vendingmachine_demo_ws/src/jsk_3rdparty/respeaker_ros/scripts/respeaker_node.py", line 119, in __init__
    self.dev.reset()
  File "/usr/local/lib/python2.7/dist-packages/usb/core.py", line 949, in reset
    self._ctx.managed_open()
  File "/usr/local/lib/python2.7/dist-packages/usb/core.py", line 113, in wrapper
    return f(self, *args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/usb/core.py", line 131, in managed_open
    self.handle = self.backend.open_device(self.dev)
  File "/usr/local/lib/python2.7/dist-packages/usb/backend/libusb1.py", line 804, in open_device
    return _DeviceHandle(dev)
  File "/usr/local/lib/python2.7/dist-packages/usb/backend/libusb1.py", line 652, in __init__
    _check(_lib.libusb_open(self.devid, byref(self.handle)))
  File "/usr/local/lib/python2.7/dist-packages/usb/backend/libusb1.py", line 604, in _check
    raise USBError(_strerror(ret), ret, _libusb_errno[ret])
usb.core.USBError: [Errno 13] Access denied (insufficient permissions)
[respeaker_node-3] process has died [pid 26846, exit code 1, cmd /home/tsukamoto/ros/vendingmachine_demo_ws/src/jsk_3rdparty/respeaker_ros/scripts/respeaker_node.py __name:=respeaker_node __log:=/home/tsukamoto/.ros/log/770f123a-ed15-11ec-9282-5405dbb276e2/respeaker_node-3.log].
log file: /home/tsukamoto/.ros/log/770f123a-ed15-11ec-9282-5405dbb276e2/respeaker_node-3*.log

[k-okada]

you can also print link to https://github.com/jsk-ros-pkg/jsk_3rdparty/blob/master/respeaker_ros/README.md for further information.

https://github.com/ros-drivers/hokuyo_node/blob/c25283fe48ad8eabf6a1b72241ee40cbe0a2cf72/src/hokuyo.cpp#L46-L51

[tkmtnt7000]

I add link in jsk-ros-pkg/jsk_3rdparty@dab72eb (#351)