add coverage reporting using nyc and coveralls

Author: Benjamin Coe

.gitignore

@@ -7,3 +7,5 @@ sauce_connect.log
 npm-debug.log
 .build*
 build
+coverage
+nyc_output

.travis.yml

@@ -14,3 +14,5 @@ script: grunt build:travis
 
 git:
   depth: 10
+
+after_success: npm run coveralls

README.md

@@ -1,6 +1,7 @@
 [![Join the chat at https://gitter.im/moment/moment](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/moment/moment?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 [![NPM version][npm-version-image]][npm-url] [![NPM downloads][npm-downloads-image]][npm-url] [![MIT License][license-image]][license-url] [![Build Status][travis-image]][travis-url]
+[![Coverage Status](https://coveralls.io/repos/moment/moment/badge.svg?branch=master)](https://coveralls.io/r/moment/moment?branch=master)
 
 A lightweight JavaScript date library for parsing, validating, manipulating, and formatting dates.
 

package.json

@@ -61,7 +61,9 @@
         "karma-sauce-launcher": "latest",
         "qunit": "^0.7.5",
         "qunit-cli": "^0.1.4",
-        "spacejam": "latest"
+        "spacejam": "latest",
+        "coveralls": "^2.11.2",
+        "nyc": "^2.1.4"
     },
     "ender": "./ender.js",
     "dojoBuild": "package.js",
@@ -78,7 +80,9 @@
         }
     },
     "scripts": {
-        "test": "grunt test"
+        "test": "grunt test",
+        "coverage": "nyc npm test && nyc report",
+        "coveralls": "nyc npm test && nyc report --reporter=text-lcov | coveralls"
     },
     "spm": {
         "main": "moment.js",