Port / redesign existing command line handlers

[cdlm]

• root options (version & copyright, list subcommands, changing/omitting startup preferences…)
• printVersion — show image/vm version, overlap with option on root command
• Fuel — materialize Fuel-serialized data in the image
• loadHermes — load serialized behavior (for bootstrap)
• get — install catalog project
• config — load Metacello using Gofer
• metacello — install configuration/baseline
• perform — send message to global
• test — run unit tests
• st — run code from file
• eval — run code from arguments
• clean — clean image for release
• initializePackages — initialize packages or re-classify selectors in protocols (but… why? 🤔)
• save — rename image