Update README

Adds basic quickstart, usage, issues, and community info to readme

README.md

@@ -3,10 +3,28 @@
 [![Travis CI Status](https://secure.travis-ci.org/openlayers/ol3.svg)](http://travis-ci.org/#!/openlayers/ol3)
 [![Coverage Status](https://coveralls.io/repos/openlayers/ol3/badge.svg?branch=master)](https://coveralls.io/r/openlayers/ol3?branch=master)
 
-Welcome to [OpenLayers 3](http://openlayers.org/)!
+[OpenLayers 3](http://openlayers.org/) is a high-performance, feature-packed library for creating interactive maps on the web.
 
-## Examples
-Check out the [hosted examples](http://openlayers.org/en/master/examples/), the [workshop](http://openlayers.org/ol3-workshop/) or poke around the evolving [API docs](http://openlayers.org/en/master/apidoc/).
+## Getting Started
+
+- Download the [latest release](https://github.com/openlayers/ol3/releases/tag/v3.4.0)
+- Install with npm: `npm install openlayers`
+- Clone the repo: `git clone git@github.com:openlayers/ol3.git`
+
+## Documentation
+
+Check out the [hosted examples](http://openlayers.org/en/master/examples/), the [workshop](http://openlayers.org/ol3-workshop/) or [API docs](http://openlayers.org/en/master/apidoc/).
+
+## Bugs
+
+Please use the [GitHub issue tracker](https://github.com/openlayers/ol3/issues) for all bugs and feature requests. Before creating a new issue, do a quick search to see if the problem has been reported already.
 
 ## Contributing
+
 Please see our guide on [contributing](CONTRIBUTING.md) if you're interested in getting involved.
+
+## Community
+
+- Need help? Find it on [stackoverflow using the tag 'openlayers-3'](http://stackoverflow.com/questions/tagged/openlayers-3)
+- Follow [@openlayers](https://twitter.com/openlayers) on Twitter
+- Discuss with openlayers users on IRC in `#openlayers` at `chat.freenode`