doc(README.md): modify the readme to reflect beta status

Author: Aaron Schlesinger

README.md

@@ -1,9 +1,16 @@
-# Postgres
+# Deis Postgres v2
 
-A PostgreSQL database for use in the [Deis](http://deis.io) open source PaaS.
+Deis (pronounced DAY-iss) is an open source PaaS that makes it easy to deploy and manage applications on your own servers. Deis builds on [Kubernetes](http://kubernetes.io/) to provide a lightweight, easy and secure way to deploy your code to production.
 
-This Docker image is based on the official
-[postgres](https://registry.hub.docker.com/_/postgres/) image.
+For more information about the Deis workflow, please visit the main project page at https://github.com/deis/workflow.
+
+## Beta Status
+
+This Deis component is currently in beta status, and we welcome your input! If you have feedback, please submit an [issue][issues]. If you'd like to participate in development, please read the "Development" section below and submit a [pull request][prs].
+
+# About
+
+This component is a PostgreSQL database for use in the Deis open source PaaS. It builds on the official [postgres](https://registry.hub.docker.com/_/postgres/) Docker image image.
 
 Master/slave replication and leader election code is largely inspired by [`compose/governor`](https://github.com/compose/governor).
 
@@ -66,3 +73,6 @@ distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
+
+[prs]: https://github.com/deis/postgres/pulls
+[issues]: https://github.com/deis/postgres/issues