ENH: Update SlicerExecutionModel - Update GenerateCLP to avoid confusing CDash

$ git shortlog ecb58ad..4e61f6c --no-merges
Jean-Christophe Fillion-Robin (1):
      BUG: Output GenerateCLP arguments on stdout instead of stderr

git-svn-id: http://svn.slicer.org/Slicer4/trunk@23449 3bd1e089-480b-0410-8dfb-8563597acbee