Add a CI badge and pare down some verbiage
# Flux
-We believe that environments should be entirely version controlled. This
-is an anti-fragile measure to ensure stability through visibility. If
-anything fails, simply reapply the current state of the repository.
+We believe that environments should be entirely version
+controlled. This is an anti-fragile measure to ensure stability
+through visibility. If anything fails, you can simply reapply the
+current state of the repository.
-To that end, Flux is a tool that automatically ensures that the state of
-a cluster matches what is specified in version control (along with a few
+Flux is a tool that automatically ensures that the state of a cluster
+matches what is specified in version control (along with a few
[extra features](/site/how-it-works.md)).
It is most useful when used as a deployment tool at the end of a
-Continuous Delivery pipeline. Flux will make sure that your new update
-is propagated to the cluster.
+Continuous Delivery pipeline. Flux will make sure that your new
+container images and config changes are propagated to the cluster.
+
+[![CircleCI](https://circleci.com/gh/weaveworks/flux.svg?style=svg)](https://circleci.com/gh/weaveworks/flux)
![Flux Example](https://cloud.githubusercontent.com/assets/8793723/22978790/0d58861a-f38c-11e6-92d4-ce3f869e1ace.gif)
