o stressRooFit

      - Migrate tests to new RooUnitTest base class


    o stressRooStats

      - New framework, with one simple test for now


    o Makefile

      - Add stressRooStats


git-svn-id: http://root.cern.ch/svn/root/trunk@42520 27541ba8-7e3a-0410-8455-c3a389f83636