Cherry-pick of "Merge branch 'findxz.AtlasLCG-20180319' into 'master'" into 1.0
AtlasLCG: Add Findxz to AtlasLCG.
See merge request !271 (merged)
(cherry picked from commit 7937e42e)
AtlasLCG: Add Findxz to AtlasLCG.
See merge request !271 (merged)
(cherry picked from commit 7937e42e)