[jjo, r=] implement --unprivileged, to allow runs without saving any state to /var/cache
* pollinate, pollinate.1:
  - add a -t|--testing flag, to verify communications with a pollen
    server; useful with the pollen nagios check
  - can run as a non-privileged user
  - does NOT affect the local PRNG
releasing 4.3
opening 4.4
* pollinate:
  - relocate the testing string