DYT version 2

This pull request is for the new version of DYT. Detailed informations about the new code can be found here:

https://indico.cern.ch/event/295796/contribution/2/material/slides/0.pdf

List of new/modified files:

￼new package:
--------------------------------
CondFormats/DYTThrObject

new files: 
--------------------------------
DataFormats/MuonReco/interface/DYTInfo.h 
DataFormats/MuonReco/src/DYTInfo.cc 
CondFormats/DataRecord/interface/DYTThrObjectRcd.h 
CondFormats/DataRecord/src/DYTThrObjectRcd.cc 
RecoMuon/GlobalTrackingTools/src/DYTTuner.cc

modified files:
--------------------------------
DataFormats/MuonReco/src/classes.h DataFormats/MuonReco/src/classes_def.xml CondCore/RecoMuonPlugins/src/plugins.cc CondCore/RecoMuonPlugins/BuildFile.xml RecoMuon/GlobalMuonProducer/src/TevMuonProducer.h RecoMuon/GlobalMuonProducer/src/TevMuonProducer.cc RecoMuon/GlobalTrackingTools/src/DYTTuner.cc

As already discussed with the Muon POG conveners, the version of this PR in untuned. The tuning will be performed after the release of muon APEs.

Davide.