badges: use shields.io for badges, add download and license

Fixes #95

Author: Alexej Yaroshevich

README.md

@@ -1,8 +1,11 @@
 # jscs-jsdoc
-[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/jscs-dev/jscs-jsdoc?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-[![Build Status](https://secure.travis-ci.org/jscs-dev/jscs-jsdoc.svg?branch=master)](http://travis-ci.org/jscs-dev/jscs-jsdoc)
-[![NPM version](https://badge.fury.io/js/jscs-jsdoc.svg)](http://badge.fury.io/js/jscs-jsdoc)
-[![Dependency Status](https://david-dm.org/jscs-dev/jscs-jsdoc.png)](https://david-dm.org/jscs-dev/jscs-jsdoc)
+[![Gitter](https://img.shields.io/badge/GITTER-JOIN_CHAT_%E2%86%92-1dce73.svg)](https://gitter.im/jscs-dev/talks?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Build Status](https://img.shields.io/travis/jscs-dev/jscs-jsdoc.svg)](http://travis-ci.org/jscs-dev/jscs-jsdoc?style=flat)
+[![Dependency Status](https://img.shields.io/david/jscs-dev/jscs-jsdoc.svg)](https://david-dm.org/jscs-dev/jscs-jsdoc)
+
+[![NPM version](https://img.shields.io/npm/v/jscs-jsdoc.svg)](https://www.npmjs.com/package/jscs-jsdoc)
+[![NPM downloads](https://img.shields.io/npm/dm/jscs-jsdoc.svg)](https://www.npmjs.com/package/jscs-jsdoc)
+[![MIT License](https://img.shields.io/npm/l/jscs-jsdoc.svg)](https://github.com/jscs-dev/jscs-jsdoc/blob/master/LICENSExc)
 
 `jsdoc` plugin for [jscs](https://github.com/jscs-dev/node-jscs/). [Twitter](https://twitter.com/jscs_dev) | [Mailing List](https://groups.google.com/group/jscs-dev)