⚙️ ci: Upgrade travis config.

.travis.yml

@@ -1,13 +1,22 @@
 language: node_js
+
 node_js:
-  - "iojs"
-  - "0.12"
-  - "0.11"
-  - "0.10"
+  - node
+
 install:
-  - npm -d install
+  - npm install
+
+before_script:
+  - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
+  - chmod +x ./cc-test-reporter
+  - ./cc-test-reporter before-build
+
 script:
-  - npm test
+  - npm run cover
+
+after_script:
+  - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT
+
 after_success:
-  - ./node_modules/.bin/coveralls   < coverage/lcov.info || true
-  - ./node_modules/.bin/codeclimate < coverage/lcov.info || true
+  - bash <(curl -s https://codecov.io/bash)        || true
+  - coveralls                 < coverage/lcov.info || true