Implement HLT tau preselection
Implementing the tau-based (jet) preselection into the HLT.
This still needs some validation, but at least it runs in the trigger ARTests with an example chain. Based largely on the work of @jdavidso !
CC trigger experts: @gipezzul @smwang @miochoa @xingguo @lbeemste @lshi @lidiaz @astruebi CC bbtautau people: @bmoser @pbokan @abetti @kleney @vdao