Log Message:
sysutils/ups-nut: Rototill rc.d scripts

  - Fix strange sh style: don't have then on a new line
  - Ensure main daemons started before SERVERS
  - Slot upsmon after SERVERS and before LOGIN
  - Rewrite upsdriver instructions to make upsdrvctl the standard approach
  - Drop compat for ancient (<1.6) NetBSD