kdb5_util load mix-in operation

[Sam Hartman]

>>>>> "Will" == Will Fiveash <William.Fiveash at sun.com> writes:

    Will> If MIT/others think that "-x mixin" is not necessary and
    Will> that the behavior I describe above is okay for the default
    Will> then I'll remove the "-x mixin" support.  Thoughts?

Absent performance evidence or models that say we cannot live with
this being the default I think it is the best approach.

--Sam