[LEAPSECS] Leap second smearing test results

[Steve Summit]

Zefram wrote:
> ...the better way to implement the smear would be to shift it downstream:
> clock synchronisation should be all unadulterated NTP handling the leap
> as a leap, and the lying should happen later, probably where the client
> ntp instances are steering their system clock.

I've been working -- painfully slowly -- on some kernel mods
which keep true UTC in the kernel (accepting it from NTP), and do
the smearing when user mode code asks for a time_t.  I'm not even
adjusting the steering of the system clock; avoiding unnecessary
perturbations there is part of the goal.