message: Install build dependencies on Travis
diff: language: node_js
  +addons:
  + apt:
  + sources:
  + - ubuntu-toolchain-r-test
  + packages:
  + - g++-4.8
  + - g++-4.8-multilib
  + - gcc-multilib
  + - libusb-1.0-0-dev
  + - libudev-dev
  +
  matrix:
  include:
  - os: osx
  