GMR-205: hidden/fixed "missing override" warnings exposed after gaudi/Gaudi!192 (!73) · Merge requests · atlas / Gaudi · GitLab

Charles Leggett requested to merge leggett/AtlasGaudi:dev/GMR-205 into atlas/v27r2 Oct 25, 2016

apply Gaudi Merge Request 205: gaudi/Gaudi!205 (merged)

hidden/fixed "missing override" warnings exposed after gaudi/Gaudi!192 (merged)

warnings from external headers are hidden declaring the include directories as -system
warnings from a couple of new files have been fixed
warnings in HistogramSvc are hidden because unavoidable (see f83c3d8e)
warnings related to CLHEP-136 have been hidden with a special trick (see 0a238135)