Add option to activate XGBoost (@jmarchan)
Copied from !1586 (merged) on run2-patches
Needed if a release for 2015 & 2016 restripping is done based on 2018-patches.
Edited by Marco Cattaneo
Copied from !1586 (merged) on run2-patches
Needed if a release for 2015 & 2016 restripping is done based on 2018-patches.