update doc links in README [ci skip]

README.md

@@ -1,5 +1,4 @@
 [![Build Status](http://beta.drone.io/api/badges/drone/drone/status.svg)](http://beta.drone.io/drone/drone)
-![Release Status](https://img.shields.io/badge/status-beta-yellow.svg?style=flat)
 [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/drone/drone?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 Drone is a Continuous Integration platform built on container technology. Every build is executed inside an ephemeral Docker container, giving developers complete control over their build environment with guaranteed isolation.
@@ -8,11 +7,11 @@ Browse the code at https://sourcegraph.com/github.com/drone/drone
 
 ### Goals
 
-Drone's prime directive is to help teams [ship code like GitHub](https://github.com/blog/1241-deploying-at-github#always-be-shipping). Drone is easy to install, setup and maintain and offers a powerful container-based plugin system. Drone aspires to eventually offer an industry-wide replacement for Jenkins.
+Drone's goal is to help teams [ship code like GitHub](https://github.com/blog/1241-deploying-at-github#always-be-shipping). Drone is easy to install, setup and maintain and offers a powerful container-based plugin system.
 
 ### Documentation
 
-Documentation is published to [readme.drone.io](http://readme.drone.io)
+Documentation is published to [docs.drone.io](http://docs.drone.io)
 
 ### Community, Help
 
@@ -20,7 +19,7 @@ Contributions, questions, and comments are welcomed and encouraged. Drone develo
 
 ### Installation
 
-Please see our [installation guide](http://readme.drone.io/admin/) to install the official Docker image.
+Please see our [installation guide](http://docs.drone.io/installation/) to install the official Docker image.
 
 ### From Source