Improve init.rb, all the ways.
Improve init.rb, all the ways.

- Rubocop compliance.
- Move business- and solution- specific code to either the
  Business or Solution classes, or the business and solution
  commands.
- Make code more readable, mostly by splitting what were really
  long functions into much more bite-sized methods.

tadpol/MuranoCLI,exosite/MrMurano,exosite/MrMurano,tadpol/MuranoCLI,tadpol/MuranoCLI