Filled in README a bit

README.md

@@ -1,4 +1,30 @@
 tensor.js
 =========
 
-A collection of basic matrix and tensor operations.
+[![Build Status](https://travis-ci.org/tinybike/tensor.js.svg)](https://travis-ci.org/tinybike/tensor.js)
+[![Coverage Status](https://coveralls.io/repos/tinybike/tensor.js/badge.svg?branch=master&service=github)](https://coveralls.io/github/tinybike/tensor.js?branch=master)
+[![npm version](https://badge.fury.io/js/tensor.svg)](https://badge.fury.io/js/tensor)
+
+Just some basic matrix and tensor operations I packaged up because I got tired of writing them over and over again...
+
+Usage
+-----
+
+### Node.js
+
+    $ npm install tensor
+
+```javascript
+var tensor = require('tensor');
+```
+
+### Browser
+
+```html
+<script src="dist/tensor.min.js" type="text/javascript"></script>
+```
+
+Tests
+-----
+
+    $ npm test