Modernize DigiEvent (@graven) (!2113) · Merge requests · LHCb / LHCb · GitLab

Marco Cattaneo requested to merge modernize-DigiEvent-run2 into run2-patches Sep 11, 2019

Cherry-picked from !2066 (merged) and !985 (merged)

fix file permissions
remove redundant destructors
Remove explicit operator= from {ST,UT,Velo}LiteCluster (fixes several gcc9 warnings)