* Reco_tf.py
      - Protect from failure to import digitisation arguments
    * UseFrontier.py
      - Fallback to normal DBRelease if FRONTIER_SERVER is undefined


git-svn-id: svn+ssh://svn.cern.ch/reps/atlasoff/Reconstruction/RecJobTransforms/trunk@560929 4525493e-7705-40b1-a816-d608a930855b