Directories are only created if necessary
Remove trailing newline from .minttyrc
Use new hardware addresses for sound card
Introduce 'root' profile
Rename 'home' profile to 'linux' to allow the profile to be inherited by the introduced 'mac' profile.
Introduce 'graph.sh' - a DOT generator for profiles
Add 'g' alias in 'mac' profile
'setup.sh' is BSD-compatible
Use 'gnu find' arguments for 'graph.sh'