Update .travis.yml + drop io.js build target

.travis.yml

@@ -1,15 +1,19 @@
 language: node_js
+
 node_js:
   - node
-  - io.js
   - 0.12
   - 0.10
-sudo: false
 
-after_script: "npm run test-cov && cat ./coverage/lcov.info | codecov && cat ./coverage/lcov.info | coveralls"
+after_script:
+  - npm run test-cov
+  - cat ./coverage/lcov.info | codecov
+  - cat ./coverage/lcov.info | coveralls
 
 webhooks:
   urls: https://webhooks.gitter.im/e/237280ed4796c19cc626
   on_success: change  # options: [always|never|change] default: always
   on_failure: always  # options: [always|never|change] default: always
   on_start: false     # default: false
+
+sudo: false