feat(package): upgrade to ng v2.3+ (#574)

.travis.yml

@@ -2,16 +2,20 @@ language: node_js
 node_js:
   - "6"
 
+before_install:
+  - export CHROME_BIN=chromium-browser
+  - export DISPLAY=:99.0
+  - sh -e /etc/init.d/xvfb start
+
 script:
-  - npm test
+  - npm run pretest
+  - npm run test-coverage
 
 after_success:
-  - ./node_modules/.bin/codecov  -f coverage/coverage-final.json
+  - ./node_modules/.bin/codecov
 
 addons:
-  # sauce labs tunel connector (read more https://docs.travis-ci.com/user/sauce-connect/ )
-  sauce_connect: true
-  firefox: "42.0"
+  firefox: "latest"
   apt:
     sources:
     - ubuntu-toolchain-r-test