* Added time reporting to UnitKit

* Moved code executed once the CoreObject test suite is run to +didRunTestSuite

Note: We can now switch to ukrun if we want to for both BenchmarkCoreObject 
and TestCoreObject


git-svn-id: http://svn.gna.org/svn/etoile/trunk/Etoile/Frameworks/UnitKit@10480 7b3f36aa-e6db-49c1-8b4c-66eac1997e64