travis: run with 0.10, 0.11, 0.12, 4, 5

.travis.yml

@@ -1,13 +1,22 @@
+sudo: false
+os:
+  - linux
 language: node_js
 node_js:
-- '0.12'
-- '4'
-branches:
-  only:
-  - master
+  - "0.10"
+  - "0.11"
+  - "0.12"
+  - "4"
+  - "5"
 env:
   global:
     secure: ewqsRnX7z3+g6q+mM6peRPhuTlTlkJIRmVG/Ya9AcDXEb7as49KDTdqfMcOu7+FxF50ehqla+TRRCLRPOcVkWqs72OVUXEsjRASp9jQwpQGl+g/vZhyTMwlM2ENEkyiFQtobI1hYKgVW1ogftkc6vm7ywvoyTrFp/leVJBrTuHk=
-script:
-- npm test --coverage
-- npm run-script coveralls
+  matrix:
+    - TEST_SUITE=unit
+matrix:
+  include:
+    - node_js: "4"
+      env: TEST_SUITE=lint
+    - node_js: "4"
+      env: TEST_SUITE=coveralls
+script: npm run $TEST_SUITE

package.json

@@ -7,8 +7,11 @@
     "lib"
   ],
   "scripts": {
-    "test": "make lint && istanbul test _mocha --reporter=spec test/*-test.js",
-    "coveralls": "cat ./coverage/lcov.info | coveralls"
+    "coverage": "npm run unit --coverage",
+    "coveralls": "npm run coverage && cat ./coverage/lcov.info | coveralls",
+    "lint": "make lint",
+    "test": "npm run lint && npm run unit",
+    "unit": "istanbul test _mocha --reporter=spec test/*-test.js"
   },
   "repository": {
     "type": "git",