Profile selection is perfomed as follows:

A. Deactivate the <old> profile.
  1. Stop services listed in rc.d/ directory.
  2. Run deselect <profiledir> <old>.
B. Activate the new profile.
  1. Run before-select <profiledir> <new>.
  2. Copy files in files.d/* to /.
  3. Start services listed in rc.d/ directory.
  4. Run after-select <profiledir> <new>.

Profile names must begin with digit or lower alphabet, other files are
ignored on profile searching.
