attempt to fix coverage reporting

.travis.yml

@@ -8,4 +8,4 @@ before_script:
   - git config --global user.email "[email protected]"
   - git config --global user.name "Carrot Creative"
 after_script:
-  - istanbul cover _mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | coveralls && rm -rf ./coverage
+  - npm run coveralls

package.json

@@ -52,6 +52,7 @@
   },
   "scripts": {
     "coverage": "istanbul cover _mocha --report html -- -R spec",
+    "coveralls": "istanbul cover _mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | coveralls && rm -rf ./coverage",
     "lint": "standard --verbose | snazzy",
     "precommit": "npm run lint -s",
     "pretest": "npm run lint -s",