ccny-ros-pkg/phidgets_drivers — pull request #2 by mintar (2013-07-16 15:16:04+00:00)
Title: add some hints to error message

I just spent 30 minutes trying to figure out why the IMU works on one
computer and doesn't on another one. Felt a little foolish when I found out
that the udev rules weren't installed; maybe providing some more info in the
error message helps others.