Updated the README file; converted README to Markdown.

The README file was still in the "asciidoc" format, and to make it consistent
with the rest of the project.

This also updated the logo to its current form, as well as only have the logo
referenced in one place in the repository.

README.md

@@ -0,0 +1,31 @@
+<h1 align="center">Crunchy Container Suite</h1>
+
+<p align="center">
+  <img width="300" src="./images/crunchy_logo.png?raw=true"/>
+</p>
+
+## General
+
+The Crunchy Container Suite provides Docker containers that enable rapid deployment of PostgreSQL, including administration and monitoring tools. Multiple styles of deploying PostgreSQL clusters are supported.
+
+Please view the official Crunchy Data Container Suite [documentation](https://access.crunchydata.com/documentation/crunchy-containers/):
+
+https://access.crunchydata.com/documentation/crunchy-containers/
+
+If you are interested in contributing, please read the Contribution Guidelines.
+
+## Getting Started
+
+Complete build and install documentation is found [here](https://access.crunchydata.com/documentation/crunchy-containers/latest/installation-guide/).  The provided Dockerfiles build the containers on a Centos 7 base image and use the community PostgreSQL RPMs.
+
+Crunchy provides a commercially supported version of these containers built upon RHEL 7 and the Crunchy supported PostgreSQL. Contact Crunchy for more details at:
+
+[https://www.crunchydata.com/contact/](https://www.crunchydata.com/contact/)
+
+Further descriptions of each of these containers and environment variables that can be used to tune them can be found in the [Container Specifications](https://access.crunchydata.com/documentation/crunchy-containers/latest/container-specifications/) document.
+
+## Usage
+
+Various examples are provided in the [Examples](https://access.crunchydata.com/documentation/crunchy-containers/latest/examples/) documentation for running in Docker, Kubernetes, and OpenShift environments.
+
+You will need to set up your environment as per the [Installation](https://access.crunchydata.com/documentation/crunchy-containers/latest/installation-guide/) documentation in order to execute the examples.