Merge branch 'thboettc/etaprime-pipieta-2gev' into 'master'
Add eta' -> pi pi eta DecFile with a tighter pt cut
See merge request !1336 (merged)
(cherry picked from commit c6194998)
2485b978 Add etaprime DecFile with 2 GeV pt cut d321a56d Fix etaprime nickname fb53a558 Update date in etaprime_pipieta.gammagamma=pt2GeV.dec