Reove HF from isolation and add veto by ref in Photon iso
Merged topic_bugfix_pre7 from repository matteosan1
update pixel match filter and fix HF usage in PF isolation
bugfix
Merged topic_bugfix_pre7 from repository matteosan1
 try new feature of fillDescription
Merge pull request #3336 from matteosan1/topic_bugfix_pre7

HLT -- Topic updates to PFIso and PixelMatch