reworked prereq and setup doc

Author: ddsharpe

documentation/1.9/content/userguide/prerequisites.md

@@ -6,6 +6,7 @@ weight: 1
 ---
 
 - Docker client and daemon on the build machine, with minimum Docker version 18.03.1.ce.
+- OPTIONALLY: Podman 3.x may be used in place of Docker.  
 - Installers for WebLogic Server and JDK from the [Oracle Software Delivery Cloud](https://edelivery.oracle.com).
-- For patches, [Oracle Support](https://www.oracle.com/technical-resources/) credentials.
-- Bash version 4.0 or later, to enable the `<tab>` command complete feature.
+- When using any of the patching options, `--patches`, `--recommendedPatches`, or `--latestPSU`, you will need to provide [Oracle Support](https://www.oracle.com/technical-resources/) credentials.
+- When using the `imagetool` alias from `setup.sh` instead of the shell script (`imagetool.sh`), Bash version 4.0 or later is required for `<tab>` command completion.

documentation/1.9/content/userguide/setup.md

@@ -5,8 +5,6 @@ draft: false
 weight: 2
 ---
 
-- Build the project (`mvn clean package`) to create the ZIP installer in `./imagetool/target`.
-- Unzip the release ZIP file to a desired location.
-- For Linux environment, `cd your_unzipped_location/bin` and `source setup.sh`.
-- For Windows environment, `cd your_unzipped_location\bin` and `.\imagetool.cmd`.
-- Run `imagetool help` to show the help text.
+- Download and unzip the release ZIP file to a desired location.
+- OPTIONALLY: You may build the project (`mvn clean package`) to create the ZIP installer in `./imagetool/target`.
+- Set the JAVA_HOME environment variable to the location of the Java install (see [Prerequisites]({{< relref "/userguide/prerequisites.md" >}})).