workflows: signals addition
- Adds signals to workflows for when a workflow is started, halted and finished.
Reviewed-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
Signed-off-by: Georgios Papoutsakis <georgios.papoutsakis@cern.ch>
Jan Aage Lavik <jan.age.lavik@cern.ch> | Sep 24 2014, 00:26 |