Add coveralls

.travis.yml

@@ -1,6 +1,8 @@
 language: node_js
 node_js:
 - 6
+install:
+  - npm install coveralls
 cache:
   directories:
   - node_modules
@@ -14,3 +16,5 @@ deploy:
     secure: IbF+DgQDpmHRoGDOJ9LHJRdf/ds1Hhx4DA6NZQbK7hKkszR2Cys1pMEul8QytmtJ554xwsj7eJO1EKzEZRWujcu/qsdvTD/UWroMtCiHnyFMD7sv0q+kPHV4bseLSCTdZypVcp98hK2LycvmvedynFdUiisDNshYgxZXGfYcHN/4AQogoZaJUXXuczXQiJ2cYU0ykWI20C8P3mYAVzEn4lk9MgRT5D86IeyLPLXtKuuDZSh49E0gWB7ifOAK2Uxgtlx39L9LGBYMu7jfqewkjM6lhE5IHaJYgBEDveBwuF5pW5W905brREz95t7vmjhZPaLQxIZsmaheWsX9HQKE8srgrUmw5XTkhDBZ9uhW4Z3uDbwa/E97EA8MjeW+1uANT4AyVBRQj3i9enHs9qExbFjeHyP0EdYe6Ipwino/Pz19Ye3RS2Mn8Ln2uX4rUvSfy3blf5wcQ5uIK3RxBqTgOoyk7NMz1N6Aj/KPmAJeFu+92QjpmHKOFDy19/YTSkF3tp/ezOfeuG6ZEXZcAXk8kQye8AID6jEMtmJEblhaXCfimEveNGjLrZ8kgXpDpomL5Ath3YOXGNM5sH0qyp+8zWbyxcbklErKR0Hg6RSzMKVHzdA2aOt+liptFwAdZ7RGkQZkBVL1xScswCX72u3WNsVMhIW1p3Q7l202WwFInrE=
   on:
     tags: true
+after_script:
+  - cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js

package.json

@@ -34,7 +34,9 @@
     "deep-equal": "0.2.1"
   },
   "jest": {
-    "roots": ["test"],
+    "roots": [
+      "test"
+    ],
     "testRegex": "-test.js",
     "collectCoverage": true
   }