resolved issue LHCBGAUSS-17

https://its.cern.ch/jira/browse/LHCBGAUSS-17

* JIRA/LHCBGAUSS-17:
  Added test for the abort of stalled events.
  allow print ot the stack trace and abort for stalled
  allow tests that exit with a signal to be considered as passed

From: Marco Clemencic <marco.clemencic@cern.ch>


git-svn-id: file:///afs/cern.ch/work/b/binet/dev/repos/gaudi-svn-mirror/Gaudi/trunk/GaudiUtils@7211 22b0f739-a4da-4a50-9948-337547c35a65