Changes in Kitchen script
- added menu option to show info about current base,
- added menu option to clean everything that Kitchen created,
- some options in menu are hidden if there's no base ROM,
- removed settings from menu (they'll be added when they'll be ready),
- added colors indicating current Kitchen state (if text color is red -
  Kitchen is doing something, if yellow - Kitchen is waiting for user
  input),
  - other small fixes