test: setup coveralls support

Author: Tom Kirkpatrick

circle.yml

@@ -1,6 +1,9 @@
 machine:
   node:
     version: 6.1.0
+test:
+  post:
+    - npm run coverage
 deployment:
    master:
      branch: master

package-lock.json

@@ -19,6 +19,7 @@
     "test": "NODE_ENV=test nyc --reporter=lcov --reporter=text --reporter=text-summary mocha test/*test.js",
     "test:watch": "npm run test -- -w",
     "pretest": "npm run lint",
+    "coverage": "nyc report --reporter=text-lcov | coveralls",
     "semantic-release": "semantic-release pre && npm publish && semantic-release post",
     "commitmsg": "validate-commit-msg"
   },
@@ -33,6 +34,7 @@
     "chai": "4.0.2",
     "condition-circle": "1.5.0",
     "conventional-commit-types": "2.1.0",
+    "coveralls": "2.13.1",
     "eslint": "4.1.1",
     "eslint-config-fullcube": "3.0.0",
     "husky": "0.14.1",