Add a sample test program to the new test suite

Add a sample test program to the new test suite

Add a modified version of src/util/test_ktime to the new test suite
as an example of how to write a test program with the new harness.

Change-Id: Ifbceff1905f9f0dd686c2a2d2edc2f8796e7918f
Reviewed-on: http://gerrit.openafs.org/2063
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>