Fixes and improvements to the monitoring
- Add missing setRunNo call
- Set thread name for GenTimer threads
- Only impose 512M monitoring buffer when necessary
- Add MonintoringSvc property to disable DIM service update for histograms
- Make sure we don't write empty savesets before seeing the first event
- Template file path in UpdateAndReset (for HLT2 use case)
Edited by Rosen Matev