Abstract out the code which the volser test uses to produce a
ubik client so that it can be used to test other ubik services
Change-Id: I800fda9e53ad45c91f3de8eceea387cc011dda3c
Reviewed-on: http://gerrit.openafs.org/7257
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementix.org>
