Update DQM and validation example job configuration files
Improve printout
Fix Mu(Loose)Tau regex to find the correct (non-L1-prescaled) path

A better solution would be to look for the prescales of L1 seeds, but
that is left for future improvements.
Add comment for finding first L3 tau filter in unscheduled mode
More coherent error messages
Adjust L1 ET and eta binning to match the possible discrete values
Include L1 central jets after a configurable ET cut to L1(Lead|Second)Tau* histograms