language: node_js
sudo: required
before_install:
  - sudo apt-get -qq update
  - sudo apt-get install -y libudev-dev libusb-1.0-0-dev
  - npm install -g gulp
node_js:
  - "node"

language: node_js
sudo: required
before_install:
  - sudo apt-get -qq update
  - sudo apt-get install -y build-essential libudev-dev libusb-1.0-0-dev
  - npm install -g gulp
node_js:
  - "node"

Add build-essentials to Travis build.
Add build-essentials to Travis build.
