Next release update fixes

[georgedias]

The following updates are needed:

• cli.rb remove the help method and the hooks for help calls
• configuration.rb
  • add require 'emasser/version'
  • modify hello call
    • users = ['rookie', 'greenhorn', 'novice', 'expert', 'oracle', 'maestro']
    • user_name = ENV.fetch('USERNAME', users.sample)
  • Update the emasser_pki_help method to show that the User-uid may be required - add the following after line 83

      puts "\n"
      puts 'Certain eMASS integrations may require this variable for actionable (POST,PUT,DELETE) endpoint calls:'.yellow
      puts '  EMASSER_USER_UID - The eMASS User Unique Identifier (user-uid)'.cyan
    

• Add the capability of interactive (via command line prompt) generate the .env configuration file. Use TTY::Prompt