Clean out README

README.md

@@ -1,43 +1,22 @@
 # jupyter-repo2docker
 
-**jupyter-repo2docker**, a command line tool, builds a docker image from a git
-repository and can push the image to a docker registry.
+
+[![Build Status](https://travis-ci.org/jupyter/repo2docker.svg?branch=master)](https://travis-ci.org/jupyter/repo2docker)
+
+**jupyter-repo2docker** is a tool to build, run and push docker images from source code repositories.
 
 ## Installation
 
 To install from pypi, the python packaging index:
 
 ```bash
-python3 -m pip install jupyter-repo2docker
+pip install jupyter-repo2docker
 ```
 
 To install from source:
 
 ```bash
-git clone https://github.com/jupyterhub/jupyter-repo2docker.git
-cd jupyter-repo2docker
+git clone https://github.com/jupyter/repo2docker.git
+cd repo2docker
 python3 -m pip install .
 ```
-
-## Usage
-
-To access help for the application:
-
-    jupyter-repo2docker -h
-
-## Technical Overview for Contributors
-
-**jupyter-repo2docker** uses other tools
-([Source to Image](https://github.com/openshift/source-to-image) or just docker)
-for doing the actual building of the image.
-
-The `repo2docker` directory contains the application which detects which build
-method to use, and how to invoke that build method.
-
-The `s2i-builders` directory contains builder images which can be used to
-provide custom `conda` and `venv` environments suitable for running
-**JupyterHub**.
-
-## Documentation
-
-[Creating a new builder](docs/source/builder.md)