dependencies:
  pre:
    - sudo apt-get install libusb-1.0-0-dev
machine:
  node:
    version: 4.1.0

dependencies:
  pre:
    - apt-get update; apt-get install libusb-1.0-0-dev
machine:
  node:
    version: 4.1.0

Configure CircleCi to run apt-get update
Configure CircleCi to run apt-get update
