Additional Apple Script Updates Universal Updates M1 Support

Default package creation bug fix.

Bug fix for 10.15 (2020) build system for default package creation.

Initial updates to 2020 macOS package build system

Added support for installpkg 0.2.0

Updates to the Deployment Guide

Updated information relating to the OS X package deployment example scripts.

Improved compatibility with 10.8.

Building default packages under Mountain Lion now works.

Merge branch 'refs/heads/apple-package-id-version'

Grammar error corrected.

Compatibility enhancements relating to InstallPKG helper script for 1…

…0.6 and 10.7. Also removed some of the helper package now that the installation scripts are working.

Added an example helper script.

This script should be copied outside of the PrinterSetup root directory. The script assists with the generation of Apple Package installers.