Add badges and coverage information

Author: blakeembrey

.travis.yml

@@ -7,3 +7,5 @@ notifications:
 
 node_js:
   - "0.10"
+
+after_script: "npm install coveralls@2 && cat ./coverage/lcov.info | coveralls"

README.md

@@ -1,4 +1,9 @@
-# array-flatten
+# Array Flatten
+
+[![NPM version][npm-image]][npm-url]
+[![Build status][travis-image]][travis-url]
+[![Test coverage][coveralls-image]][coveralls-url]
+[![Gittip][gittip-image]][gittip-url]
 
 Flatten an array of nested arrays into a single flat array.
 
@@ -23,3 +28,12 @@ flatten([1, [2, [3, [4, [5], 6], 7], 8], 9], 2);
 ## License
 
 MIT
+
+[npm-image]: https://img.shields.io/npm/v/array-flatten.svg?style=flat
+[npm-url]: https://npmjs.org/package/array-flatten
+[travis-image]: https://img.shields.io/travis/blakeembrey/array-flatten.svg?style=flat
+[travis-url]: https://travis-ci.org/blakeembrey/array-flatten
+[coveralls-image]: https://img.shields.io/coveralls/blakeembrey/array-flatten.svg?style=flat
+[coveralls-url]: https://coveralls.io/r/blakeembrey/array-flatten?branch=master
+[gittip-image]: https://img.shields.io/gittip/blakeembrey.svg?style=flat
+[gittip-url]: https://www.gittip.com/blakeembrey