Initial travis ci support (#107)

.travis.yml

@@ -0,0 +1,39 @@
+sudo: required
+
+dist: trusty
+
+language: node_js
+
+node_js:
+  - 6
+  - 5
+  - 4
+
+cache:
+  directories:
+    - node_modules
+
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+    packages:
+      - g++-4.8
+    packages:
+      - xvfb
+
+install:
+  - export CXX="g++-4.8"
+  - npm install
+  - "/sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -ac -screen 0 1280x1024x16"
+  - export DISPLAY=':99.0'
+  - Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
+  - sudo apt-get install --no-install-recommends -y icnsutils graphicsmagick xz-utils xorriso
+
+before_script:
+  - export DISPLAY=:99.0
+  - sh -e /etc/init.d/xvfb start &
+  - sleep 3
+
+script:
+  - npm run lint