Cherry-pick "Merge branch '1.0-ext-powheg' into '1.0'" into master
change LHAPATH to /cvmfs/sft.cern.ch/lcg/external/lhapdfsets/current
See merge request !484 (merged)
(cherry picked from commit 2dbc225a)
- 48cfdd82 change LHAPATH to /cvmfs/sft.cern.ch/lcg/external/lhapdfsets/current