allow discrete nuisances to also be frozen with --freezeNuisances
Merge pull request #88 from bendavid/freezeDiscrete

allow discrete nuisances to also be frozen with --freezeNuisances
cleanup of couts

Conflicts:
	interface/RooSplineND.h
	src/RooSplineND.cc
Adding RooSplineND entry to LinkDef
Merge pull request #89 from nucleosynthesis/nckw-roosplinend

cleanup of couts
Merging developments from the master branch
RooSimultaneousOpt with embedded constraints
Add option --optimize-simpdf-constraints for much faster workspace creation, introduce some progress indicator at verbosity 1 in text2workspace.py (debug will appear at verbosity 2 and full dumps at verbosity 3)
optimized boundaries also for parametric nuisances