Add truth dark jet build (ATLJETMET-676) (ParticleJetTools-00-03-53)

	* Root/CopyTruthJetParticles.cxx (classifyJetInput): Add
	truth dark jet building through clustering of truth dark hadrons
 	( ATLJETMET-676)
	* Tagging as ParticleJetTools-00-03-53

2016-11-23  scott snyder  <snyder@bnl.gov>

	* Tagging ParticleJetTools-00-03-52.
	* ParticleJetTools/IJetTruthMatching.h,
	ParticleJetTools/JetQuarkLabel.h, Root/JetQuarkLabel.cxx: Rework
	interface so that methods can be const.  Comply with ATLAS naming
	conventions.
	* Root/JetConeLabeling.cxx: Adjust for changes in
	IJetTruthMatching.
	* ParticleJetTools/ParticleToJetAssociator.h: Make methods const.
	* ParticleJetTools/JetConeLabeling.h,
	ParticleJetTools/CopyTruthJetParticles.h: Remove mutable
	declarations.

2016-11-21 Emmanuel Le Guirriec <Emmanuel.Le.Guirriec@cern.ch>
...
(Long ChangeLog diff - truncated)