2020-10-22 Brunel v61r2

This version uses Rec v31r2, Lbcom v31r2, LHCb v51r2, Gaudi v34r1 and LCG 97a with ROOT 6.20.06.

This version is released on master branch. Built relative to Brunel v61r1, with the following changes:

New features ~"new feature"

• Upstream project highlights :star:
  • ~Decoding ~RICH | Add support for realistic RICH PMT encoding and decoding, LHCb!2664 (@jonrob)
  • ~Decoding ~Monitoring | Add decoding for SciFi NZS dataformat, LHCb!2648 (@legreeve)
  • ~Tracking | Added specialized similarity transform, LHCb!2763 (@ldufour)

Fixes ~"bug fix" ~workaround

• ~Calo | Update refs for Rec!2187, !1065 (@mzdybal)
• Upstream project highlights :star:
  • ~Muon | Cleanup of the MuonMatching code, Rec!2212 (@cprouve)

Enhancements ~enhancement

• ~Configuration ~Calo | Adapt Calo configuration to Rec!2080, !1042 (@graven)
• Upstream project highlights :star:
  • ~Core ~Conditions ~Utilities ~Build | ARM support, LHCb!2756 (@ahennequ)
  • Update of physics constants to match the current release of CLHEP, gaudi/Gaudi!1101

Code cleanups and changes to tests ~modernisation ~cleanup ~testing

• ~Configuration | Various DD4hep fixes, !1019 (@sponce)
• ~Tracking | New ref for LHCb!2702, !1067 (@vrenaudi)
• ~Tracking ~Calo | Reference Update for Rec!2215, Rec!2210 and Rec!2214, !1076 (@gunther)
• ~Calo | Reference update for LHCb!2667 (cleanup CaloUtils), !1051 (@mstahl)
• ~Calo | Update references for LHCb!2582 Lbcom!490 and Rec!2145 (Calo v2 clusters), !1044 (@mstahl)
• ~Calo ~"MC checking" | Update ref for LHCb!2672 and Rec!2200, !1069 (@vrenaudi)
• ~"MC checking" | Removal of MuonMatching Performance test, !1077 (@cprouve)
• ~"MC checking" | Create new ref for Rec!2201, !1071 (@vrenaudi)
• ~Conditions | Update tests to latest physics constants in Gaudi, !1070 (@clemenci)
• Fix reference for dbg builds (follow up !1074), !1082 (@rmatev)
• Fix L0-related failing Brunel tests, !1075 (@pkoppenb) [#11]
• Adapt to new Gaudi Monitoring, !1074 (@sponce)
• New round of cleanup of old style counters, !1068 (@sponce)
• Towards dropping old counters, !1063 (@sponce)
• Upstream project highlights :star:
  • ~Calo ~Functors ~"Event model" | Remove L0 related code, LHCb!2735 (@pkoppenb)
  • ~Monitoring | Remove HCMonitors, Lbcom!503 (@pkoppenb) [LHCBPS-1880]