seperate coverage into a seperate travis task.

run coverage and standards using node v6.

Author: rubensayshi

.travis.yml

@@ -10,10 +10,11 @@ node_js:
   - "6"
 matrix:
   include:
-    - node_js: "4"
+    - node_js: "6"
       env: TEST_SUITE=standard
+    - node_js: "6"
+      env: TEST_SUITE=coverage
 env:
-  - TEST_SUITE=coverage
   - TEST_SUITE=integration
   - TEST_SUITE=unit
 script: npm run-script $TEST_SUITE