cleanup exotica fragment and PhysList code
chrono: add timers based on CLOCK_REALTIME_COARSE and CLOCK_MONOTONIC_COARSE
FastTimerService: remove obsolete parameters
Add a Zero material scenario based on 2015 Extended one
Drop -mrecip completely.
Add missing material
Payload producer for Zero material scenario
Zero material scenario for Extended 2015
Fix density to zero
Added callbacks to new module types for forking support

On request from HLT, I added the callbacks used by the forking mechanism.
NOTE: forking and threading should not be used together in the same job.
separate token for the view
FTS and other config fixes for HLT in 72X
fixed tau-decay bug
Merge pull request #5109 from ianna/zero-material-scenario-2015

Zero Material Scenario 2015
Merge pull request #5114 from slava77/CMSSW_7_2_X_2014-08-28-1400/sign418/PFPileUp-fix

Separate token for the view
Merge pull request #5118 from Martin-Grunewald/HLTFTSfixes72X

FTS and other config fixes for HLT in 72X
Merge pull request #5119 from civanch/tau-decay_and_exotica

Tau-decay crash fix and exotica cleanup
Merge pull request #5112 from Dr15Jones/enableForkingSupportForNewModuleTypes

Added callbacks to new module types for forking support
:qrebin again

Conflicts:
	Validation/RecoVertex/src/PrimaryVertexAnalyzer4PUSlimmed.cc
fix last conflict