update_premixInput + update datatier as per https://hypernews.cern.ch/HyperNews/CMS/get/comp-ops/1658/1/1/2/2/1/2/2/1.html
eventcontent=>PREMIXRAW ; datatier=>PREMIX-RAW
Properly initialize embeddedTunePMuonBestTrack_ and embeddedTunePMuonBestTrack_, but also make the getter work on existing 7_0_6 files
New MuScleFit trees
bug fix
fixed getters to be able to read from miniAOD
Merged PatMuonBestTrackFix-fromCMSSW_7_0_6 from repository gpetruc
Merge pull request #4446 from nclopezo/pr-4359

pat::Muon best track embedding fix (7.0.X) Copied from #4359
Merge pull request #4392 from emiglior/new-trees-v1-CMSSW_7_0_X

New trees v1 cmssw 7 0 x
Merge pull request #4351 from franzoni/GF_update_premixInput_from-CMSSW_7_0_6

Gf update premix input from cmssw 7 0 6
Merge pull request #4431 from jpavel/70x_taus_miniAODaccess

fixed getters to be able to read from miniAOD
Merged jettoolbox-miniAOD-706 from repository alefisico