In this merge request, include a few changes:
Rename the 'PromptLeptonVetoImproved' as 'PromptLeptonImprovedVeto' in order to avoid misleading. And use BDT or RNN weight files from cvmfs.
Add the new tagger to the HIGG3D1 derivation.
@fuhe and @rustem will be responsible for this merge request.