chore: add travis configuration

.travis.yml

@@ -0,0 +1,39 @@
+sudo: true
+dist: trusty
+language: node_js
+addons:
+  apt:
+    sources:
+      - google-chrome
+      - ubuntu-toolchain-r-test
+    packages:
+      - google-chrome-stable
+      - g++-4.8
+cache:
+  directories:
+    - node_modules
+notifications:
+  email: false
+node_js:
+  - '4'
+env:
+  - CXX=g++-4.8
+before_install:
+  - npm i -g npm@^3.8.0
+before_script:
+  - "npm prune"
+  - "npm update"
+  - "export CHROME_BIN=/usr/bin/google-chrome"
+  - "export DISPLAY=:99.0"
+  - "sh -e /etc/init.d/xvfb start"
+  - "sleep 3" # give xvfb some time to start
+script:
+  - npm run lint
+  - npm run test
+  - npm run build-package
+  - npm run build-cdn
+after_success:
+    # - npm run semantic-release
+branches:
+  except:
+    - "/^v\\d+\\.\\d+\\.\\d+$/"