Merge branch 'ref_bot_Rec2866' into 'master'

Hlt/Hlt2Conf/tests/refs/hlt2_combinations_particle_v2.ref

...ests/refs/hlt2_combinations_particle_v2.ref.x86_64_v3-opt

Hlt/Hlt2Conf/tests/refs/hlt2_reco_plus_thor_selections.ref

...sts/refs/hlt2_reco_plus_thor_selections.ref.x86_64_v3-opt

...onf/tests/refs/hlt2_reco_plus_thor_selections_fastest.ref

.../hlt2_reco_plus_thor_selections_fastest.ref.x86_64_v3-opt

Hlt/RecoConf/tests/refs/hlt2_fast_reco.ref

Hlt/RecoConf/tests/refs/hlt2_fast_reco.ref.x86_64_v3-opt

Hlt/RecoConf/tests/refs/hlt2_fast_reco_with_mcchecking.ref

...sts/refs/hlt2_fast_reco_with_mcchecking.ref.x86_64_v3-opt

...RecoConf/tests/refs/hlt2_fastest_reco_with_mcchecking.ref

.../refs/hlt2_fastest_reco_with_mcchecking.ref.x86_64_v3-opt

...sts/refs/hlt2_fastest_reco_without_UT_with_mcchecking.ref

...fastest_reco_without_UT_with_mcchecking.ref.x86_64_v3-opt

Hlt/RecoConf/tests/refs/hlt2_lead_lead_light_reco_pr_kf.ref

...ts/refs/hlt2_lead_lead_light_reco_pr_kf.ref.x86_64_v3-opt

.../refs/hlt2_lead_lead_light_reco_pr_kf_with_mcchecking.ref

...d_lead_light_reco_pr_kf_with_mcchecking.ref.x86_64_v3-opt

Hlt/RecoConf/tests/refs/hlt2_light_reco_calo_efficiency.ref

...ts/refs/hlt2_light_reco_calo_efficiency.ref.x86_64_v3-opt