Merge pull request #286 from strongloop/enable-travis

Enable Travis CI integration

.travis.yml

@@ -0,0 +1,20 @@
+sudo: false
+language: node_js
+node_js:
+  - "4"
+  - "6"
+  - "8"
+
+# see https://www.npmjs.com/package/phantomjs-prebuilt#continuous-integration
+cache:
+  directories:
+    - travis_phantomjs
+before_install:
+  - npm config set registry http://ci.strongloop.com:4873/
+  # Upgrade PhantomJS to v2.1.1.
+  - "export PHANTOMJS_VERSION=2.1.1"
+  - "export PATH=$PWD/travis_phantomjs/phantomjs-$PHANTOMJS_VERSION-linux-x86_64/bin:$PATH"
+  - "if [ $(phantomjs --version) != $PHANTOMJS_VERSION ]; then rm -rf $PWD/travis_phantomjs; mkdir -p $PWD/travis_phantomjs; fi"
+  - "if [ $(phantomjs --version) != $PHANTOMJS_VERSION ]; then wget https://github.com/Medium/phantomjs/releases/download/v$PHANTOMJS_VERSION/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 -O $PWD/travis_phantomjs/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2; fi"
+  - "if [ $(phantomjs --version) != $PHANTOMJS_VERSION ]; then tar -xvf $PWD/travis_phantomjs/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 -C $PWD/travis_phantomjs; fi"
+  - "phantomjs --version"