Travis: node versions as strings

Author: fanatid

.travis.yml

@@ -1,19 +1,19 @@
+sudo: false
 language: node_js
 before_install:
   - npm install npm -g
 node_js:
-  - 5
-  - 4
-  - io.js
-  - 0.12
-  - 0.10
+  - "0.10"
+  - "0.12"
+  - "io.js"
+  - "4"
+  - "5"
 matrix:
   include:
-    - node_js: 4
+    - node_js: "4"
       env: TEST_SUITE=standard
 env:
   - TEST_SUITE=coverage
   - TEST_SUITE=integration
   - TEST_SUITE=unit
 script: npm run-script $TEST_SUITE
-sudo: false