flat style badges

README.md

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 Bitcore
 =======
 
-[![Build Status](https://travis-ci.org/bitpay/bitcore.svg?branch=master)](https://travis-ci.org/bitpay/bitcore)
-[![Coverage Status](https://img.shields.io/coveralls/bitpay/bitcore.svg)](https://coveralls.io/r/bitpay/bitcore)
+https://img.shields.io/npm/v/bitcore.svg?style=flat-square
+[![NPM Package](https://img.shields.io/npm/v/bitcore.svg?style=flat-square)](https://www.npmjs.org/package/bitcore)
+[![Build Status](https://img.shields.io/travis/bitpay/bitcore.svg?branch=master&style=flat-square)](https://travis-ci.org/bitpay/bitcore)
+[![Coverage Status](https://img.shields.io/coveralls/bitpay/bitcore.svg?style=flat-square)](https://coveralls.io/r/bitpay/bitcore)
 
 A pure and simple javascript bitcoin API.